fix code

hutool-cron/src/main/java/cn/hutool/cron/CronConfig.java

@@ -28,7 +28,7 @@ public class CronConfig {
 	 * @param timezone 时区
 	 * @return this
 	 */
-	public CronConfig setTimeZone(TimeZone timezone) {
+	public CronConfig setTimeZone(final TimeZone timezone) {
 		this.timezone = timezone;
 		return this;
 	}
@@ -57,7 +57,7 @@ public class CronConfig {
 	 * @param isMatchSecond {@code true}支持，{@code false}不支持
 	 * @return this
 	 */
-	public CronConfig setMatchSecond(boolean isMatchSecond) {
+	public CronConfig setMatchSecond(final boolean isMatchSecond) {
 		this.matchSecond = isMatchSecond;
 		return this;
 	}

hutool-cron/src/main/java/cn/hutool/cron/CronException.java

@@ -10,23 +10,23 @@ import cn.hutool.core.text.StrUtil;
 public class CronException extends RuntimeException {
 	private static final long serialVersionUID = 1L;
 
-	public CronException(Throwable e) {
+	public CronException(final Throwable e) {
 		super(e.getMessage(), e);
 	}
 
-	public CronException(String message) {
+	public CronException(final String message) {
 		super(message);
 	}
 
-	public CronException(String messageTemplate, Object... params) {
+	public CronException(final String messageTemplate, final Object... params) {
 		super(StrUtil.format(messageTemplate, params));
 	}
 
-	public CronException(String message, Throwable throwable, boolean enableSuppression, boolean writableStackTrace) {
+	public CronException(final String message, final Throwable throwable, final boolean enableSuppression, final boolean writableStackTrace) {
 		super(message, throwable, enableSuppression, writableStackTrace);
 	}
 
-	public CronException(Throwable throwable, String messageTemplate, Object... params) {
+	public CronException(final Throwable throwable, final String messageTemplate, final Object... params) {
 		super(StrUtil.format(messageTemplate, params), throwable);
 	}
 }

hutool-cron/src/main/java/cn/hutool/cron/CronTimer.java

@@ -22,23 +22,23 @@ public class CronTimer extends Thread implements Serializable {
 	private final long TIMER_UNIT_SECOND = DateUnit.SECOND.getMillis();
 	/** 定时单元：分 */
 	private final long TIMER_UNIT_MINUTE = DateUnit.MINUTE.getMillis();
-	
+
 	/** 定时任务是否已经被强制关闭 */
 	private boolean isStop;
 	private final Scheduler scheduler;
-	
+
 	/**
 	 * 构造
 	 * @param scheduler {@link Scheduler}
 	 */
-	public CronTimer(Scheduler scheduler) {
+	public CronTimer(final Scheduler scheduler) {
 		this.scheduler = scheduler;
 	}
-	
+
 	@Override
 	public void run() {
 		final long timerUnit = this.scheduler.config.matchSecond ? TIMER_UNIT_SECOND : TIMER_UNIT_MINUTE;
-		
+
 		long thisTime = System.currentTimeMillis();
 		long nextTime;
 		long sleep;
@@ -62,7 +62,7 @@ public class CronTimer extends Thread implements Serializable {
 		}
 		log.debug("Hutool-cron timer stopped.");
 	}
-	
+
 	/**
 	 * 关闭定时器
 	 */
@@ -70,7 +70,7 @@ public class CronTimer extends Thread implements Serializable {
 		this.isStop = true;
 		ThreadUtil.interrupt(this, true);
 	}
-	
+
 	/**
 	 * 启动匹配
 	 * @param millis 当前时间
@@ -91,7 +91,7 @@ public class CronTimer extends Thread implements Serializable {
 	 * @return 是否为有效的sleep毫秒数
 	 * @since 5.3.2
 	 */
-	private static boolean isValidSleepMillis(long millis, long timerUnit){
+	private static boolean isValidSleepMillis(final long millis, final long timerUnit){
 		return millis > 0 &&
 				// 防止用户向前调整时间导致的长时间sleep
 				millis < (2 * timerUnit);

hutool-cron/src/main/java/cn/hutool/cron/CronUtil.java

@@ -34,7 +34,7 @@ public class CronUtil {
 	 *
 	 * @param cronSetting 定时任务配置文件
 	 */
-	public static void setCronSetting(Setting cronSetting) {
+	public static void setCronSetting(final Setting cronSetting) {
 		crontabSetting = cronSetting;
 	}
 
@@ -43,10 +43,10 @@ public class CronUtil {
 	 *
 	 * @param cronSettingPath 定时任务配置文件路径（相对绝对都可）
 	 */
-	public static void setCronSetting(String cronSettingPath) {
+	public static void setCronSetting(final String cronSettingPath) {
 		try {
 			crontabSetting = new Setting(cronSettingPath, Setting.DEFAULT_CHARSET, false);
-		} catch (SettingRuntimeException | NoResourceException e) {
+		} catch (final SettingRuntimeException | NoResourceException e) {
 			// ignore setting file parse error and no config error
 		}
 	}
@@ -57,7 +57,7 @@ public class CronUtil {
 	 *
 	 * @param isMatchSecond {@code true}支持，{@code false}不支持
 	 */
-	public static void setMatchSecond(boolean isMatchSecond) {
+	public static void setMatchSecond(final boolean isMatchSecond) {
 		scheduler.setMatchSecond(isMatchSecond);
 	}
 
@@ -68,7 +68,7 @@ public class CronUtil {
 	 * @param task 任务
 	 * @return 定时任务ID
 	 */
-	public static String schedule(String schedulingPattern, Task task) {
+	public static String schedule(final String schedulingPattern, final Task task) {
 		return scheduler.schedule(schedulingPattern, task);
 	}
 
@@ -81,7 +81,7 @@ public class CronUtil {
 	 * @return 定时任务ID
 	 * @since 3.3.0
 	 */
-	public static String schedule(String id, String schedulingPattern, Task task) {
+	public static String schedule(final String id, final String schedulingPattern, final Task task) {
 		scheduler.schedule(id, schedulingPattern, task);
 		return id;
 	}
@@ -93,7 +93,7 @@ public class CronUtil {
 	 * @param task 任务
 	 * @return 定时任务ID
 	 */
-	public static String schedule(String schedulingPattern, Runnable task) {
+	public static String schedule(final String schedulingPattern, final Runnable task) {
 		return scheduler.schedule(schedulingPattern, task);
 	}
 
@@ -102,7 +102,7 @@ public class CronUtil {
 	 *
 	 * @param cronSetting 定时任务设置文件
 	 */
-	public static void schedule(Setting cronSetting) {
+	public static void schedule(final Setting cronSetting) {
 		scheduler.schedule(cronSetting);
 	}
 
@@ -112,7 +112,7 @@ public class CronUtil {
 	 * @param schedulerId 任务ID
 	 * @return 是否移除成功，{@code false}表示未找到对应ID的任务
 	 */
-	public static boolean remove(String schedulerId) {
+	public static boolean remove(final String schedulerId) {
 		return scheduler.descheduleWithStatus(schedulerId);
 	}
 
@@ -123,7 +123,7 @@ public class CronUtil {
 	 * @param pattern {@link CronPattern}
 	 * @since 4.0.10
 	 */
-	public static void updatePattern(String id, CronPattern pattern) {
+	public static void updatePattern(final String id, final CronPattern pattern) {
 		scheduler.updatePattern(id, pattern);
 	}
 
@@ -148,7 +148,7 @@ public class CronUtil {
 	 *
 	 * @param isDaemon 是否以守护线程方式启动，如果为true，则在调用{@link #stop()}方法后执行的定时任务立即结束，否则等待执行完毕才结束。
 	 */
-	synchronized public static void start(boolean isDaemon) {
+	synchronized public static void start(final boolean isDaemon) {
 		if (scheduler.isStarted()) {
 			throw new UtilException("Scheduler has been started, please stop it first!");
 		}

hutool-cron/src/main/java/cn/hutool/cron/Scheduler.java

@@ -84,7 +84,7 @@ public class Scheduler implements Serializable {
 	 * @param timeZone 时区
 	 * @return this
 	 */
-	public Scheduler setTimeZone(TimeZone timeZone) {
+	public Scheduler setTimeZone(final TimeZone timeZone) {
 		this.config.setTimeZone(timeZone);
 		return this;
 	}
@@ -107,7 +107,7 @@ public class Scheduler implements Serializable {
 	 * @return this
 	 * @throws CronException 定时任务已经启动抛出此异常
 	 */
-	public Scheduler setDaemon(boolean on) throws CronException {
+	public Scheduler setDaemon(final boolean on) throws CronException {
 		lock.lock();
 		try {
 			checkStarted();
@@ -127,7 +127,7 @@ public class Scheduler implements Serializable {
 	 * @throws CronException 定时任务已经启动抛出此异常
 	 * @since 5.7.10
 	 */
-	public Scheduler setThreadExecutor(ExecutorService threadExecutor) throws CronException {
+	public Scheduler setThreadExecutor(final ExecutorService threadExecutor) throws CronException {
 		lock.lock();
 		try {
 			checkStarted();
@@ -162,7 +162,7 @@ public class Scheduler implements Serializable {
 	 * @param isMatchSecond {@code true}支持，{@code false}不支持
 	 * @return this
 	 */
-	public Scheduler setMatchSecond(boolean isMatchSecond) {
+	public Scheduler setMatchSecond(final boolean isMatchSecond) {
 		this.config.setMatchSecond(isMatchSecond);
 		return this;
 	}
@@ -173,7 +173,7 @@ public class Scheduler implements Serializable {
 	 * @param listener {@link TaskListener}
 	 * @return this
 	 */
-	public Scheduler addListener(TaskListener listener) {
+	public Scheduler addListener(final TaskListener listener) {
 		this.listenerManager.addListener(listener);
 		return this;
 	}
@@ -184,7 +184,7 @@ public class Scheduler implements Serializable {
 	 * @param listener {@link TaskListener}
 	 * @return this
 	 */
-	public Scheduler removeListener(TaskListener listener) {
+	public Scheduler removeListener(final TaskListener listener) {
 		this.listenerManager.removeListener(listener);
 		return this;
 	}
@@ -198,12 +198,12 @@ public class Scheduler implements Serializable {
 	 * @param cronSetting 定时任务设置文件
 	 * @return this
 	 */
-	public Scheduler schedule(Setting cronSetting) {
+	public Scheduler schedule(final Setting cronSetting) {
 		if (MapUtil.isNotEmpty(cronSetting)) {
 			String group;
-			for (Entry<String, LinkedHashMap<String, String>> groupedEntry : cronSetting.getGroupedMap().entrySet()) {
+			for (final Entry<String, LinkedHashMap<String, String>> groupedEntry : cronSetting.getGroupedMap().entrySet()) {
 				group = groupedEntry.getKey();
-				for (Entry<String, String> entry : groupedEntry.getValue().entrySet()) {
+				for (final Entry<String, String> entry : groupedEntry.getValue().entrySet()) {
 					String jobClass = entry.getKey();
 					if (StrUtil.isNotBlank(group)) {
 						jobClass = group + CharUtil.DOT + jobClass;
@@ -212,7 +212,7 @@ public class Scheduler implements Serializable {
 					StaticLog.debug("Load job: {} {}", pattern, jobClass);
 					try {
 						schedule(pattern, new InvokeTask(jobClass));
-					} catch (Exception e) {
+					} catch (final Exception e) {
 						throw new CronException(e, "Schedule [{}] [{}] error!", pattern, jobClass);
 					}
 				}
@@ -228,7 +228,7 @@ public class Scheduler implements Serializable {
 	 * @param task {@link Runnable}
 	 * @return ID
 	 */
-	public String schedule(String pattern, Runnable task) {
+	public String schedule(final String pattern, final Runnable task) {
 		return schedule(pattern, new RunnableTask(task));
 	}
 
@@ -239,8 +239,8 @@ public class Scheduler implements Serializable {
 	 * @param task {@link Task}
 	 * @return ID
 	 */
-	public String schedule(String pattern, Task task) {
-		String id = IdUtil.fastUUID();
+	public String schedule(final String pattern, final Task task) {
+		final String id = IdUtil.fastUUID();
 		schedule(id, pattern, task);
 		return id;
 	}
@@ -253,7 +253,7 @@ public class Scheduler implements Serializable {
 	 * @param task {@link Runnable}
 	 * @return this
 	 */
-	public Scheduler schedule(String id, String pattern, Runnable task) {
+	public Scheduler schedule(final String id, final String pattern, final Runnable task) {
 		return schedule(id, new CronPattern(pattern), new RunnableTask(task));
 	}
 
@@ -265,7 +265,7 @@ public class Scheduler implements Serializable {
 	 * @param task {@link Task}
 	 * @return this
 	 */
-	public Scheduler schedule(String id, String pattern, Task task) {
+	public Scheduler schedule(final String id, final String pattern, final Task task) {
 		return schedule(id, new CronPattern(pattern), task);
 	}
 
@@ -277,7 +277,7 @@ public class Scheduler implements Serializable {
 	 * @param task {@link Task}
 	 * @return this
 	 */
-	public Scheduler schedule(String id, CronPattern pattern, Task task) {
+	public Scheduler schedule(final String id, final CronPattern pattern, final Task task) {
 		taskTable.add(id, pattern, task);
 		return this;
 	}
@@ -288,7 +288,7 @@ public class Scheduler implements Serializable {
 	 * @param id Task的ID
 	 * @return this
 	 */
-	public Scheduler deschedule(String id) {
+	public Scheduler deschedule(final String id) {
 		descheduleWithStatus(id);
 		return this;
 	}
@@ -300,7 +300,7 @@ public class Scheduler implements Serializable {
 	 * @return 是否移除成功，{@code false}表示未找到对应ID的任务
 	 * @since 5.7.17
 	 */
-	public boolean descheduleWithStatus(String id) {
+	public boolean descheduleWithStatus(final String id) {
 		return this.taskTable.remove(id);
 	}
 
@@ -312,7 +312,7 @@ public class Scheduler implements Serializable {
 	 * @return this
 	 * @since 4.0.10
 	 */
-	public Scheduler updatePattern(String id, CronPattern pattern) {
+	public Scheduler updatePattern(final String id, final CronPattern pattern) {
 		this.taskTable.updatePattern(id, pattern);
 		return this;
 	}
@@ -334,7 +334,7 @@ public class Scheduler implements Serializable {
 	 * @return {@link CronPattern}
 	 * @since 3.1.1
 	 */
-	public CronPattern getPattern(String id) {
+	public CronPattern getPattern(final String id) {
 		return this.taskTable.getPattern(id);
 	}
 
@@ -345,7 +345,7 @@ public class Scheduler implements Serializable {
 	 * @return {@link Task}
 	 * @since 3.1.1
 	 */
-	public Task getTask(String id) {
+	public Task getTask(final String id) {
 		return this.taskTable.getTask(id);
 	}
 
@@ -393,7 +393,7 @@ public class Scheduler implements Serializable {
 	 * @param isDaemon 是否以守护线程方式启动，如果为true，则在调用{@link #stop()}方法后执行的定时任务立即结束，否则等待执行完毕才结束。
 	 * @return this
 	 */
-	public Scheduler start(boolean isDaemon) {
+	public Scheduler start(final boolean isDaemon) {
 		this.daemon = isDaemon;
 		return start();
 	}
@@ -447,7 +447,7 @@ public class Scheduler implements Serializable {
 	 * @return this
 	 * @since 4.1.17
 	 */
-	public Scheduler stop(boolean clearTasks) {
+	public Scheduler stop(final boolean clearTasks) {
 		lock.lock();
 		try {
 			if (false == started) {

hutool-cron/src/main/java/cn/hutool/cron/TaskExecutor.java

@@ -40,7 +40,7 @@ public class TaskExecutor implements Runnable {
 	 * @param scheduler 调度器
 	 * @param task 被执行的任务
 	 */
-	public TaskExecutor(Scheduler scheduler, CronTask task) {
+	public TaskExecutor(final Scheduler scheduler, final CronTask task) {
 		this.scheduler = scheduler;
 		this.task = task;
 	}
@@ -51,7 +51,7 @@ public class TaskExecutor implements Runnable {
 			scheduler.listenerManager.notifyTaskStart(this);
 			task.execute();
 			scheduler.listenerManager.notifyTaskSucceeded(this);
-		} catch (Exception e) {
+		} catch (final Exception e) {
 			scheduler.listenerManager.notifyTaskFailed(this, e);
 		} finally {
 			scheduler.taskExecutorManager.notifyExecutorCompleted(this);

hutool-cron/src/main/java/cn/hutool/cron/TaskExecutorManager.java

@@ -28,7 +28,7 @@ public class TaskExecutorManager implements Serializable {
 	 */
 	private final List<TaskExecutor> executors = new ArrayList<>();
 
-	public TaskExecutorManager(Scheduler scheduler) {
+	public TaskExecutorManager(final Scheduler scheduler) {
 		this.scheduler = scheduler;
 	}
 
@@ -48,7 +48,7 @@ public class TaskExecutorManager implements Serializable {
 	 * @param task {@link Task}
 	 * @return {@link TaskExecutor}
 	 */
-	public TaskExecutor spawnExecutor(CronTask task) {
+	public TaskExecutor spawnExecutor(final CronTask task) {
 		final TaskExecutor executor = new TaskExecutor(this.scheduler, task);
 		synchronized (this.executors) {
 			this.executors.add(executor);
@@ -66,7 +66,7 @@ public class TaskExecutorManager implements Serializable {
 	 * @param executor 执行器 {@link TaskExecutor}
 	 * @return this
 	 */
-	public TaskExecutorManager notifyExecutorCompleted(TaskExecutor executor) {
+	public TaskExecutorManager notifyExecutorCompleted(final TaskExecutor executor) {
 		synchronized (executors) {
 			executors.remove(executor);
 		}

hutool-cron/src/main/java/cn/hutool/cron/TaskLauncher.java

@@ -18,7 +18,7 @@ public class TaskLauncher implements Runnable {
 	 * @param scheduler {@link Scheduler}
 	 * @param millis    毫秒数
 	 */
-	public TaskLauncher(Scheduler scheduler, long millis) {
+	public TaskLauncher(final Scheduler scheduler, final long millis) {
 		this.scheduler = scheduler;
 		this.millis = millis;
 	}

hutool-cron/src/main/java/cn/hutool/cron/TaskLauncherManager.java

@@ -17,7 +17,7 @@ public class TaskLauncherManager implements Serializable {
 	/** 启动器列表 */
 	protected final List<TaskLauncher> launchers = new ArrayList<>();
 
-	public TaskLauncherManager(Scheduler scheduler) {
+	public TaskLauncherManager(final Scheduler scheduler) {
 		this.scheduler = scheduler;
 	}
 
@@ -26,7 +26,7 @@ public class TaskLauncherManager implements Serializable {
 	 * @param millis 触发事件的毫秒数
 	 * @return {@link TaskLauncher}
 	 */
-	protected TaskLauncher spawnLauncher(long millis) {
+	protected TaskLauncher spawnLauncher(final long millis) {
 		final TaskLauncher launcher = new TaskLauncher(this.scheduler, millis);
 		synchronized (this.launchers) {
 			this.launchers.add(launcher);
@@ -42,7 +42,7 @@ public class TaskLauncherManager implements Serializable {
 	 * 启动器启动完毕，启动完毕后从执行器列表中移除
 	 * @param launcher 启动器 {@link TaskLauncher}
 	 */
-	protected void notifyLauncherCompleted(TaskLauncher launcher) {
+	protected void notifyLauncherCompleted(final TaskLauncher launcher) {
 		synchronized (launchers) {
 			launchers.remove(launcher);
 		}

hutool-cron/src/main/java/cn/hutool/cron/TaskTable.java

@@ -44,7 +44,7 @@ public class TaskTable implements Serializable {
 	 *
 	 * @param initialCapacity 容量，即预估的最大任务数
 	 */
-	public TaskTable(int initialCapacity) {
+	public TaskTable(final int initialCapacity) {
 		lock = new ReentrantReadWriteLock();
 
 		ids = new ArrayList<>(initialCapacity);
@@ -60,7 +60,7 @@ public class TaskTable implements Serializable {
 	 * @param task    {@link Task}
 	 * @return this
 	 */
-	public TaskTable add(String id, CronPattern pattern, Task task) {
+	public TaskTable add(final String id, final CronPattern pattern, final Task task) {
 		final Lock writeLock = lock.writeLock();
 		writeLock.lock();
 		try {
@@ -131,7 +131,7 @@ public class TaskTable implements Serializable {
 	 * @param id Task的ID
 	 * @return 是否成功移除，{@code false}表示未找到对应ID的任务
 	 */
-	public boolean remove(String id) {
+	public boolean remove(final String id) {
 		final Lock writeLock = lock.writeLock();
 		writeLock.lock();
 		try {
@@ -157,7 +157,7 @@ public class TaskTable implements Serializable {
 	 * @return 是否更新成功，如果id对应的规则不存在则不更新
 	 * @since 4.0.10
 	 */
-	public boolean updatePattern(String id, CronPattern pattern) {
+	public boolean updatePattern(final String id, final CronPattern pattern) {
 		final Lock writeLock = lock.writeLock();
 		writeLock.lock();
 		try {
@@ -179,7 +179,7 @@ public class TaskTable implements Serializable {
 	 * @return {@link Task}
 	 * @since 3.1.1
 	 */
-	public Task getTask(int index) {
+	public Task getTask(final int index) {
 		final Lock readLock = lock.readLock();
 		readLock.lock();
 		try {
@@ -196,7 +196,7 @@ public class TaskTable implements Serializable {
 	 * @return {@link Task}
 	 * @since 3.1.1
 	 */
-	public Task getTask(String id) {
+	public Task getTask(final String id) {
 		final int index = ids.indexOf(id);
 		if (index > -1) {
 			return getTask(index);
@@ -211,7 +211,7 @@ public class TaskTable implements Serializable {
 	 * @return {@link CronPattern}
 	 * @since 3.1.1
 	 */
-	public CronPattern getPattern(int index) {
+	public CronPattern getPattern(final int index) {
 		final Lock readLock = lock.readLock();
 		readLock.lock();
 		try {
@@ -248,7 +248,7 @@ public class TaskTable implements Serializable {
 	 * @return {@link CronPattern}
 	 * @since 3.1.1
 	 */
-	public CronPattern getPattern(String id) {
+	public CronPattern getPattern(final String id) {
 		final int index = ids.indexOf(id);
 		if (index > -1) {
 			return getPattern(index);
@@ -262,7 +262,7 @@ public class TaskTable implements Serializable {
 	 * @param scheduler {@link Scheduler}
 	 * @param millis 时间毫秒
 	 */
-	public void executeTaskIfMatch(Scheduler scheduler, long millis) {
+	public void executeTaskIfMatch(final Scheduler scheduler, final long millis) {
 		final Lock readLock = lock.readLock();
 		readLock.lock();
 		try {
@@ -289,7 +289,7 @@ public class TaskTable implements Serializable {
 	 * @param millis 时间毫秒
 	 * @since 3.1.1
 	 */
-	protected void executeTaskIfMatchInternal(Scheduler scheduler, long millis) {
+	protected void executeTaskIfMatchInternal(final Scheduler scheduler, final long millis) {
 		for (int i = 0; i < size; i++) {
 			if (patterns.get(i).match(scheduler.config.timezone, millis, scheduler.config.matchSecond)) {
 				scheduler.taskExecutorManager.spawnExecutor(new CronTask(ids.get(i), patterns.get(i), tasks.get(i)));

hutool-cron/src/main/java/cn/hutool/cron/listener/SimpleTaskListener.java

@@ -11,15 +11,15 @@ import cn.hutool.cron.TaskExecutor;
 public class SimpleTaskListener implements TaskListener{
 
 	@Override
-	public void onStart(TaskExecutor executor) {
+	public void onStart(final TaskExecutor executor) {
 	}
 
 	@Override
-	public void onSucceeded(TaskExecutor executor) {
+	public void onSucceeded(final TaskExecutor executor) {
 	}
 
 	@Override
-	public void onFailed(TaskExecutor executor, Throwable exception) {
+	public void onFailed(final TaskExecutor executor, final Throwable exception) {
 	}
 
 }

hutool-cron/src/main/java/cn/hutool/cron/listener/TaskListenerManager.java

@@ -22,7 +22,7 @@ public class TaskListenerManager implements Serializable {
 	 * @param listener {@link TaskListener}
 	 * @return this
 	 */
-	public TaskListenerManager addListener(TaskListener listener){
+	public TaskListenerManager addListener(final TaskListener listener){
 		synchronized (listeners) {
 			this.listeners.add(listener);
 		}
@@ -34,7 +34,7 @@ public class TaskListenerManager implements Serializable {
 	 * @param listener {@link TaskListener}
 	 * @return this
 	 */
-	public TaskListenerManager removeListener(TaskListener listener){
+	public TaskListenerManager removeListener(final TaskListener listener){
 		synchronized (listeners) {
 			this.listeners.remove(listener);
 		}
@@ -45,10 +45,10 @@ public class TaskListenerManager implements Serializable {
 	 * 通知所有监听任务启动器启动
 	 * @param executor {@link TaskExecutor}
 	 */
-	public void notifyTaskStart(TaskExecutor executor) {
+	public void notifyTaskStart(final TaskExecutor executor) {
 		synchronized (listeners) {
 			TaskListener listener;
-			for (TaskListener taskListener : listeners) {
+			for (final TaskListener taskListener : listeners) {
 				listener = taskListener;
 				if (null != listener) {
 					listener.onStart(executor);
@@ -61,9 +61,9 @@ public class TaskListenerManager implements Serializable {
 	 * 通知所有监听任务启动器成功结束
 	 * @param executor {@link TaskExecutor}
 	 */
-	public void notifyTaskSucceeded(TaskExecutor executor) {
+	public void notifyTaskSucceeded(final TaskExecutor executor) {
 		synchronized (listeners) {
-			for (TaskListener listener : listeners) {
+			for (final TaskListener listener : listeners) {
 				listener.onSucceeded(executor);
 			}
 		}
@@ -75,11 +75,11 @@ public class TaskListenerManager implements Serializable {
 	 * @param executor {@link TaskExecutor}
 	 * @param exception 失败原因
 	 */
-	public void notifyTaskFailed(TaskExecutor executor, Throwable exception) {
+	public void notifyTaskFailed(final TaskExecutor executor, final Throwable exception) {
 		synchronized (listeners) {
-			int size = listeners.size();
+			final int size = listeners.size();
 			if(size > 0){
-				for (TaskListener listener : listeners) {
+				for (final TaskListener listener : listeners) {
 					listener.onFailed(executor, exception);
 				}
 			}else{

hutool-cron/src/main/java/cn/hutool/cron/pattern/CronPattern.java

@@ -80,7 +80,7 @@ public class CronPattern {
 	 * @return CronPattern
 	 * @since 5.8.0
 	 */
-	public static CronPattern of(String pattern) {
+	public static CronPattern of(final String pattern) {
 		return new CronPattern(pattern);
 	}
 
@@ -89,7 +89,7 @@ public class CronPattern {
 	 *
 	 * @param pattern 表达式
 	 */
-	public CronPattern(String pattern) {
+	public CronPattern(final String pattern) {
 		this.pattern = pattern;
 		this.matchers = PatternParser.parse(pattern);
 	}
@@ -101,7 +101,7 @@ public class CronPattern {
 	 * @param isMatchSecond 是否匹配秒
 	 * @return 如果匹配返回 {@code true}, 否则返回 {@code false}
 	 */
-	public boolean match(long millis, boolean isMatchSecond) {
+	public boolean match(final long millis, final boolean isMatchSecond) {
 		return match(TimeZone.getDefault(), millis, isMatchSecond);
 	}
 
@@ -113,7 +113,7 @@ public class CronPattern {
 	 * @param isMatchSecond 是否匹配秒
 	 * @return 如果匹配返回 {@code true}, 否则返回 {@code false}
 	 */
-	public boolean match(TimeZone timezone, long millis, boolean isMatchSecond) {
+	public boolean match(final TimeZone timezone, final long millis, final boolean isMatchSecond) {
 		final GregorianCalendar calendar = new GregorianCalendar(timezone);
 		calendar.setTimeInMillis(millis);
 		return match(calendar, isMatchSecond);
@@ -126,7 +126,7 @@ public class CronPattern {
 	 * @param isMatchSecond 是否匹配秒
 	 * @return 如果匹配返回 {@code true}, 否则返回 {@code false}
 	 */
-	public boolean match(Calendar calendar, boolean isMatchSecond) {
+	public boolean match(final Calendar calendar, final boolean isMatchSecond) {
 		return match(PatternUtil.getFields(calendar, isMatchSecond));
 	}
 
@@ -138,7 +138,7 @@ public class CronPattern {
 	 * @return 如果匹配返回 {@code true}, 否则返回 {@code false}
 	 * @since 5.8.0
 	 */
-	public boolean match(LocalDateTime dateTime, boolean isMatchSecond) {
+	public boolean match(final LocalDateTime dateTime, final boolean isMatchSecond) {
 		return match(PatternUtil.getFields(dateTime, isMatchSecond));
 	}
 
@@ -148,7 +148,7 @@ public class CronPattern {
 	 * @param calendar 时间
 	 * @return 匹配到的下一个时间
 	 */
-	public Calendar nextMatchAfter(Calendar calendar) {
+	public Calendar nextMatchAfter(final Calendar calendar) {
 		Calendar next = nextMatchAfter(PatternUtil.getFields(calendar, true), calendar.getTimeZone());
 		if (false == match(next, true)) {
 			next.set(Calendar.DAY_OF_MONTH, next.get(Calendar.DAY_OF_MONTH) + 1);
@@ -169,8 +169,8 @@ public class CronPattern {
 	 * @param fields 时间字段值，{second, minute, hour, dayOfMonth, month, dayOfWeek, year}
 	 * @return 如果匹配返回 {@code true}, 否则返回 {@code false}
 	 */
-	private boolean match(int[] fields) {
-		for (PatternMatcher matcher : matchers) {
+	private boolean match(final int[] fields) {
+		for (final PatternMatcher matcher : matchers) {
 			if (matcher.match(fields)) {
 				return true;
 			}
@@ -185,9 +185,9 @@ public class CronPattern {
 	 * @param zone   时区
 	 * @return {@link Calendar}，毫秒数为0
 	 */
-	private Calendar nextMatchAfter(int[] values, TimeZone zone) {
+	private Calendar nextMatchAfter(final int[] values, final TimeZone zone) {
 		final List<Calendar> nextMatches = new ArrayList<>(matchers.size());
-		for (PatternMatcher matcher : matchers) {
+		for (final PatternMatcher matcher : matchers) {
 			nextMatches.add(matcher.nextMatchAfter(values, zone));
 		}
 		// 返回匹配到的最早日期

hutool-cron/src/main/java/cn/hutool/cron/pattern/CronPatternBuilder.java

@@ -32,8 +32,8 @@ public class CronPatternBuilder implements Builder<String> {
 	 * @param values 时间值列表
 	 * @return this
 	 */
-	public CronPatternBuilder setValues(Part part, int... values) {
-		for (int value : values) {
+	public CronPatternBuilder setValues(final Part part, final int... values) {
+		for (final int value : values) {
 			part.checkValue(value);
 		}
 		return set(part, ArrayUtil.join(values, ","));
@@ -47,7 +47,7 @@ public class CronPatternBuilder implements Builder<String> {
 	 * @param end   结束值
 	 * @return this
 	 */
-	public CronPatternBuilder setRange(Part part, int begin, int end) {
+	public CronPatternBuilder setRange(final Part part, final int begin, final int end) {
 		Assert.notNull(part );
 		part.checkValue(begin);
 		part.checkValue(end);
@@ -61,7 +61,7 @@ public class CronPatternBuilder implements Builder<String> {
 	 * @param value 表达式值，如"*"、"1,2"、"5-12"等
 	 * @return this
 	 */
-	public CronPatternBuilder set(Part part, String value) {
+	public CronPatternBuilder set(final Part part, final String value) {
 		parts[part.ordinal()] = value;
 		return this;
 	}

hutool-cron/src/main/java/cn/hutool/cron/pattern/CronPatternUtil.java

@@ -26,8 +26,8 @@ public class CronPatternUtil {
 	 * @return 日期
 	 * @since 4.5.8
 	 */
-	public static Date nextDateAfter(CronPattern pattern, Date start, boolean isMatchSecond) {
-		List<Date> matchedDates = matchedDates(pattern, start.getTime(), DateUtil.endOfYear(start).getTime(), 1, isMatchSecond);
+	public static Date nextDateAfter(final CronPattern pattern, final Date start, final boolean isMatchSecond) {
+		final List<Date> matchedDates = matchedDates(pattern, start.getTime(), DateUtil.endOfYear(start).getTime(), 1, isMatchSecond);
 		if (CollUtil.isNotEmpty(matchedDates)) {
 			return matchedDates.get(0);
 		}
@@ -43,7 +43,7 @@ public class CronPatternUtil {
 	 * @param isMatchSecond 是否匹配秒
 	 * @return 日期列表
 	 */
-	public static List<Date> matchedDates(String patternStr, Date start, int count, boolean isMatchSecond) {
+	public static List<Date> matchedDates(final String patternStr, final Date start, final int count, final boolean isMatchSecond) {
 		return matchedDates(patternStr, start, DateUtil.endOfYear(start), count, isMatchSecond);
 	}
 
@@ -57,7 +57,7 @@ public class CronPatternUtil {
 	 * @param isMatchSecond 是否匹配秒
 	 * @return 日期列表
 	 */
-	public static List<Date> matchedDates(String patternStr, Date start, Date end, int count, boolean isMatchSecond) {
+	public static List<Date> matchedDates(final String patternStr, final Date start, final Date end, final int count, final boolean isMatchSecond) {
 		return matchedDates(patternStr, start.getTime(), end.getTime(), count, isMatchSecond);
 	}
 
@@ -71,7 +71,7 @@ public class CronPatternUtil {
 	 * @param isMatchSecond 是否匹配秒
 	 * @return 日期列表
 	 */
-	public static List<Date> matchedDates(String patternStr, long start, long end, int count, boolean isMatchSecond) {
+	public static List<Date> matchedDates(final String patternStr, final long start, final long end, final int count, final boolean isMatchSecond) {
 		return matchedDates(new CronPattern(patternStr), start, end, count, isMatchSecond);
 	}
 
@@ -85,11 +85,11 @@ public class CronPatternUtil {
 	 * @param isMatchSecond 是否匹配秒
 	 * @return 日期列表
 	 */
-	public static List<Date> matchedDates(CronPattern pattern, long start, long end, int count, boolean isMatchSecond) {
+	public static List<Date> matchedDates(final CronPattern pattern, final long start, final long end, final int count, final boolean isMatchSecond) {
 		Assert.isTrue(start < end, "Start date is later than end !");
 
 		final List<Date> result = new ArrayList<>(count);
-		long step = isMatchSecond ? DateUnit.SECOND.getMillis() : DateUnit.MINUTE.getMillis();
+		final long step = isMatchSecond ? DateUnit.SECOND.getMillis() : DateUnit.MINUTE.getMillis();
 		for (long i = start; i < end; i += step) {
 			if (pattern.match(i, isMatchSecond)) {
 				result.add(DateUtil.date(i));

hutool-cron/src/main/java/cn/hutool/cron/pattern/Part.java

@@ -42,7 +42,7 @@ public enum Part {
 	 * @param min           限定最小值（包含）
 	 * @param max           限定最大值（包含）
 	 */
-	Part(int calendarField, int min, int max) {
+	Part(final int calendarField, final int min, final int max) {
 		this.calendarField = calendarField;
 		if (min > max) {
 			this.min = max;
@@ -87,7 +87,7 @@ public enum Part {
 	 * @return 检查后的值
 	 * @throws CronException 检查无效抛出此异常
 	 */
-	public int checkValue(int value) throws CronException {
+	public int checkValue(final int value) throws CronException {
 		Assert.checkBetween(value, min, max,
 				() -> new CronException("Value {} out of range: [{} , {}]", value, min, max));
 		return value;
@@ -99,7 +99,7 @@ public enum Part {
 	 * @param i 位置，从0开始
 	 * @return Part
 	 */
-	public static Part of(int i) {
+	public static Part of(final int i) {
 		return ENUMS[i];
 	}
 }

hutool-cron/src/main/java/cn/hutool/cron/pattern/PatternUtil.java

@@ -22,7 +22,7 @@ class PatternUtil {
 	 * @return 字段值列表
 	 * @since 5.8.0
 	 */
-	static int[] getFields(LocalDateTime dateTime, boolean isMatchSecond) {
+	static int[] getFields(final LocalDateTime dateTime, final boolean isMatchSecond) {
 		final int second = isMatchSecond ? dateTime.getSecond() : -1;
 		final int minute = dateTime.getMinute();
 		final int hour = dateTime.getHour();
@@ -42,7 +42,7 @@ class PatternUtil {
 	 * @return 字段值列表
 	 * @since 5.8.0
 	 */
-	static int[] getFields(Calendar calendar, boolean isMatchSecond) {
+	static int[] getFields(final Calendar calendar, final boolean isMatchSecond) {
 		final int second = isMatchSecond ? calendar.get(Calendar.SECOND) : -1;
 		final int minute = calendar.get(Calendar.MINUTE);
 		final int hour = calendar.get(Calendar.HOUR_OF_DAY);

hutool-cron/src/main/java/cn/hutool/cron/pattern/matcher/AlwaysTrueMatcher.java

@@ -12,12 +12,12 @@ public class AlwaysTrueMatcher implements PartMatcher {
 	public static AlwaysTrueMatcher INSTANCE = new AlwaysTrueMatcher();
 
 	@Override
-	public boolean match(Integer t) {
+	public boolean match(final Integer t) {
 		return true;
 	}
 
 	@Override
-	public int nextAfter(int value) {
+	public int nextAfter(final int value) {
 		return value;
 	}
 

hutool-cron/src/main/java/cn/hutool/cron/pattern/matcher/BoolArrayMatcher.java

@@ -25,11 +25,11 @@ public class BoolArrayMatcher implements PartMatcher {
 	 *
 	 * @param intValueList 匹配值列表
 	 */
-	public BoolArrayMatcher(List<Integer> intValueList) {
+	public BoolArrayMatcher(final List<Integer> intValueList) {
 		Assert.isTrue(CollUtil.isNotEmpty(intValueList), "Values must be not empty!");
 		bValues = new boolean[Collections.max(intValueList) + 1];
 		int min = Integer.MAX_VALUE;
-		for (Integer value : intValueList) {
+		for (final Integer value : intValueList) {
 			min = Math.min(min, value);
 			bValues[value] = true;
 		}
@@ -37,7 +37,7 @@ public class BoolArrayMatcher implements PartMatcher {
 	}
 
 	@Override
-	public boolean match(Integer value) {
+	public boolean match(final Integer value) {
 		if (null == value || value >= bValues.length) {
 			return false;
 		}

hutool-cron/src/main/java/cn/hutool/cron/pattern/matcher/DayOfMonthMatcher.java

@@ -17,7 +17,7 @@ public class DayOfMonthMatcher extends BoolArrayMatcher {
 	 *
 	 * @param intValueList 匹配的日值
 	 */
-	public DayOfMonthMatcher(List<Integer> intValueList) {
+	public DayOfMonthMatcher(final List<Integer> intValueList) {
 		super(intValueList);
 	}
 
@@ -29,7 +29,7 @@ public class DayOfMonthMatcher extends BoolArrayMatcher {
 	 * @param isLeapYear 是否闰年
 	 * @return 是否匹配
 	 */
-	public boolean match(int value, int month, boolean isLeapYear) {
+	public boolean match(final int value, final int month, final boolean isLeapYear) {
 		return (super.match(value) // 在约定日范围内的某一天
 				//匹配器中用户定义了最后一天（31表示最后一天）
 				|| (value > 27 && match(31) && isLastDayOfMonth(value, month, isLeapYear)));
@@ -47,7 +47,7 @@ public class DayOfMonthMatcher extends BoolArrayMatcher {
 	 * @param isLeapYear 是否闰年
 	 * @return 是否为本月最后一天
 	 */
-	private static boolean isLastDayOfMonth(int value, int month, boolean isLeapYear) {
+	private static boolean isLastDayOfMonth(final int value, final int month, final boolean isLeapYear) {
 		return value == Month.getLastDay(month - 1, isLeapYear);
 	}
 }

hutool-cron/src/main/java/cn/hutool/cron/pattern/matcher/PatternMatcher.java

@@ -31,13 +31,13 @@ public class PatternMatcher {
 	 * @param dayOfWeekMatcher  周匹配器
 	 * @param yearMatcher       年匹配器
 	 */
-	public PatternMatcher(PartMatcher secondMatcher,
-						  PartMatcher minuteMatcher,
-						  PartMatcher hourMatcher,
-						  PartMatcher dayOfMonthMatcher,
-						  PartMatcher monthMatcher,
-						  PartMatcher dayOfWeekMatcher,
-						  PartMatcher yearMatcher) {
+	public PatternMatcher(final PartMatcher secondMatcher,
+						  final PartMatcher minuteMatcher,
+						  final PartMatcher hourMatcher,
+						  final PartMatcher dayOfMonthMatcher,
+						  final PartMatcher monthMatcher,
+						  final PartMatcher dayOfWeekMatcher,
+						  final PartMatcher yearMatcher) {
 
 		matchers = new PartMatcher[]{
 				secondMatcher,
@@ -56,7 +56,7 @@ public class PatternMatcher {
 	 * @param part 表达式位置
 	 * @return {@link PartMatcher}
 	 */
-	public PartMatcher get(Part part) {
+	public PartMatcher get(final Part part) {
 		return matchers[part.ordinal()];
 	}
 
@@ -68,7 +68,7 @@ public class PatternMatcher {
 	 * @param fields 时间字段值，{second, minute, hour, dayOfMonth, month, dayOfWeek, year}
 	 * @return 如果匹配返回 {@code true}, 否则返回 {@code false}
 	 */
-	public boolean match(int[] fields) {
+	public boolean match(final int[] fields) {
 		return match(fields[0], fields[1], fields[2], fields[3], fields[4], fields[5], fields[6]);
 	}
 
@@ -79,7 +79,7 @@ public class PatternMatcher {
 	 * @return 如果匹配返回 {@code true}, 否则返回 {@code false}
 	 * @since 5.8.0
 	 */
-	public boolean matchWeek(int dayOfWeekValue) {
+	public boolean matchWeek(final int dayOfWeekValue) {
 		return matchers[5].match(dayOfWeekValue);
 	}
 
@@ -95,7 +95,7 @@ public class PatternMatcher {
 	 * @param year       年
 	 * @return 如果匹配返回 {@code true}, 否则返回 {@code false}
 	 */
-	private boolean match(int second, int minute, int hour, int dayOfMonth, int month, int dayOfWeek, int year) {
+	private boolean match(final int second, final int minute, final int hour, final int dayOfMonth, final int month, final int dayOfWeek, final int year) {
 		return ((second < 0) || matchers[0].match(second)) // 匹配秒（非秒匹配模式下始终返回true）
 				&& matchers[1].match(minute)// 匹配分
 				&& matchers[2].match(hour)// 匹配时
@@ -114,7 +114,7 @@ public class PatternMatcher {
 	 * @param isLeapYear 是否闰年
 	 * @return 是否匹配
 	 */
-	private static boolean matchDayOfMonth(PartMatcher matcher, int dayOfMonth, int month, boolean isLeapYear) {
+	private static boolean matchDayOfMonth(final PartMatcher matcher, final int dayOfMonth, final int month, final boolean isLeapYear) {
 		return ((matcher instanceof DayOfMonthMatcher) //
 				? ((DayOfMonthMatcher) matcher).match(dayOfMonth, month, isLeapYear) //
 				: matcher.match(dayOfMonth));
@@ -141,7 +141,7 @@ public class PatternMatcher {
 	 * @param zone   时区
 	 * @return {@link Calendar}，毫秒数为0
 	 */
-	public Calendar nextMatchAfter(int[] values, TimeZone zone) {
+	public Calendar nextMatchAfter(final int[] values, final TimeZone zone) {
 		final Calendar calendar = Calendar.getInstance(zone);
 		calendar.set(Calendar.MILLISECOND, 0);
 
@@ -173,7 +173,7 @@ public class PatternMatcher {
 	 * @param values 时间字段值，{second, minute, hour, dayOfMonth, month, dayOfWeek, year}
 	 * @return {@link Calendar}，毫秒数为0
 	 */
-	private int[] nextMatchValuesAfter(int[] values) {
+	private int[] nextMatchValuesAfter(final int[] values) {
 		final int[] newValues = values.clone();
 
 		int i = Part.YEAR.ordinal();
@@ -230,7 +230,7 @@ public class PatternMatcher {
 	 * @param values 值数组
 	 * @param toPart 截止的部分
 	 */
-	private void setToMin(int[] values, int toPart) {
+	private void setToMin(final int[] values, final int toPart) {
 		Part part;
 		for (int i = 0; i <= toPart; i++) {
 			part = Part.of(i);
@@ -244,10 +244,10 @@ public class PatternMatcher {
 	 * @param part {@link Part}
 	 * @return 最小值，如果匹配所有，返回对应部分范围的最小值
 	 */
-	private int getMin(Part part) {
-		PartMatcher matcher = get(part);
+	private int getMin(final Part part) {
+		final PartMatcher matcher = get(part);
 
-		int min;
+		final int min;
 		if (matcher instanceof AlwaysTrueMatcher) {
 			min = part.getMin();
 		} else if (matcher instanceof BoolArrayMatcher) {
@@ -271,7 +271,7 @@ public class PatternMatcher {
 	 * @param value    值
 	 * @return {@link Calendar}
 	 */
-	private Calendar setValue(Calendar calendar, Part part, int value) {
+	private Calendar setValue(final Calendar calendar, final Part part, int value) {
 		switch (part) {
 			case MONTH:
 				value -= 1;

hutool-cron/src/main/java/cn/hutool/cron/pattern/matcher/YearValueMatcher.java

@@ -13,18 +13,18 @@ public class YearValueMatcher implements PartMatcher {
 
 	private final LinkedHashSet<Integer> valueList;
 
-	public YearValueMatcher(Collection<Integer> intValueList) {
+	public YearValueMatcher(final Collection<Integer> intValueList) {
 		this.valueList = new LinkedHashSet<>(intValueList);
 	}
 
 	@Override
-	public boolean match(Integer t) {
+	public boolean match(final Integer t) {
 		return valueList.contains(t);
 	}
 
 	@Override
-	public int nextAfter(int value) {
-		for (Integer year : valueList) {
+	public int nextAfter(final int value) {
+		for (final Integer year : valueList) {
 			if (year >= value) {
 				return year;
 			}

hutool-cron/src/main/java/cn/hutool/cron/pattern/parser/PartParser.java

@@ -43,7 +43,7 @@ public class PartParser {
 	 * @param part 对应解析的部分枚举
 	 * @return 解析器
 	 */
-	public static PartParser of(Part part) {
+	public static PartParser of(final Part part) {
 		return new PartParser(part);
 	}
 
@@ -51,7 +51,7 @@ public class PartParser {
 	 * 构造
 	 * @param part 对应解析的部分枚举
 	 */
-	public PartParser(Part part) {
+	public PartParser(final Part part) {
 		this.part = part;
 	}
 
@@ -67,7 +67,7 @@ public class PartParser {
 	 * @param value 表达式
 	 * @return {@link PartMatcher}
 	 */
-	public PartMatcher parse(String value) {
+	public PartMatcher parse(final String value) {
 		if (isMatchAllStr(value)) {
 			//兼容Quartz的"?"表达式，不会出现互斥情况，与"*"作用相同
 			return new AlwaysTrueMatcher();
@@ -99,11 +99,11 @@ public class PartParser {
 	 * @param value 子表达式值
 	 * @return 值列表
 	 */
-	private List<Integer> parseArray(String value) {
+	private List<Integer> parseArray(final String value) {
 		final List<Integer> values = new ArrayList<>();
 
 		final List<String> parts = StrUtil.split(value, StrUtil.C_COMMA);
-		for (String part : parts) {
+		for (final String part : parts) {
 			CollUtil.addAllIfNotContains(values, parseStep(part));
 		}
 		return values;
@@ -121,11 +121,11 @@ public class PartParser {
 	 * @param value 表达式值
 	 * @return List
 	 */
-	private List<Integer> parseStep(String value) {
+	private List<Integer> parseStep(final String value) {
 		final List<String> parts = StrUtil.split(value, StrUtil.C_SLASH);
-		int size = parts.size();
+		final int size = parts.size();
 
-		List<Integer> results;
+		final List<Integer> results;
 		if (size == 1) {// 普通形式
 			results = parseRange(value, -1);
 		} else if (size == 2) {// 间隔形式
@@ -154,7 +154,7 @@ public class PartParser {
 	 * @param step  步进
 	 * @return List
 	 */
-	private List<Integer> parseRange(String value, int step) {
+	private List<Integer> parseRange(final String value, int step) {
 		final List<Integer> results = new ArrayList<>();
 
 		// 全部匹配形式
@@ -186,8 +186,8 @@ public class PartParser {
 		}
 
 		//Range模式
-		List<String> parts = StrUtil.split(value, '-');
-		int size = parts.size();
+		final List<String> parts = StrUtil.split(value, '-');
+		final int size = parts.size();
 		if (size == 1) {// 普通值
 			final int v1 = parseNumber(value);
 			if (step > 0) {//类似 20/2的形式
@@ -224,7 +224,7 @@ public class PartParser {
 	 * @return 是否为全匹配符
 	 * @since 4.1.18
 	 */
-	private static boolean isMatchAllStr(String value) {
+	private static boolean isMatchAllStr(final String value) {
 		return (1 == value.length()) && ("*".equals(value) || "?".equals(value));
 	}
 
@@ -235,11 +235,11 @@ public class PartParser {
 	 * @return 解析结果
 	 * @throws CronException 当无效数字或无效别名时抛出
 	 */
-	private int parseNumber(String value) throws CronException {
+	private int parseNumber(final String value) throws CronException {
 		int i;
 		try {
 			i = Integer.parseInt(value);
-		} catch (NumberFormatException ignore) {
+		} catch (final NumberFormatException ignore) {
 			i = parseAlias(value);
 		}
 
@@ -267,7 +267,7 @@ public class PartParser {
 	 * @return 解析int值
 	 * @throws CronException 无匹配别名时抛出异常
 	 */
-	private int parseAlias(String name) throws CronException {
+	private int parseAlias(final String name) throws CronException {
 		if ("L".equalsIgnoreCase(name)) {
 			// L表示最大值
 			return part.getMax();

hutool-cron/src/main/java/cn/hutool/cron/pattern/parser/PatternParser.java

@@ -33,7 +33,7 @@ public class PatternParser {
 	 * @param cronPattern 复合表达式
 	 * @return {@link List}
 	 */
-	public static List<PatternMatcher> parse(String cronPattern) {
+	public static List<PatternMatcher> parse(final String cronPattern) {
 		return parseGroupPattern(cronPattern);
 	}
 
@@ -46,10 +46,10 @@ public class PatternParser {
 	 * @param groupPattern 复合表达式
 	 * @return {@link List}
 	 */
-	private static List<PatternMatcher> parseGroupPattern(String groupPattern) {
+	private static List<PatternMatcher> parseGroupPattern(final String groupPattern) {
 		final List<String> patternList = StrUtil.splitTrim(groupPattern, '|');
 		final List<PatternMatcher> patternMatchers = new ArrayList<>(patternList.size());
-		for (String pattern : patternList) {
+		for (final String pattern : patternList) {
 			patternMatchers.add(parseSingle(pattern));
 		}
 		return patternMatchers;
@@ -61,7 +61,7 @@ public class PatternParser {
 	 * @param pattern 表达式
 	 * @return {@link PatternMatcher}
 	 */
-	private static PatternMatcher parseSingle(String pattern) {
+	private static PatternMatcher parseSingle(final String pattern) {
 		final String[] parts = pattern.split("\\s+");
 		Assert.checkBetween(parts.length, 5, 7,
 				() -> new CronException("Pattern [{}] is invalid, it must be 5-7 parts!", pattern));
@@ -76,7 +76,7 @@ public class PatternParser {
 		final String secondPart = (1 == offset) ? parts[0] : "0";
 
 		// 年
-		PartMatcher yearMatcher;
+		final PartMatcher yearMatcher;
 		if (parts.length == 7) {// 支持年的表达式
 			yearMatcher = YEAR_VALUE_PARSER.parse(parts[6]);
 		} else {// 不支持年的表达式，全部匹配

hutool-cron/src/main/java/cn/hutool/cron/task/CronTask.java

@@ -20,7 +20,7 @@ public class CronTask implements Task{
 	 * @param pattern 表达式
 	 * @param task 作业
 	 */
-	public CronTask(String id, CronPattern pattern, Task task) {
+	public CronTask(final String id, final CronPattern pattern, final Task task) {
 		this.id = id;
 		this.pattern = pattern;
 		this.task = task;
@@ -54,7 +54,7 @@ public class CronTask implements Task{
 	 * @param pattern 表达式
 	 * @return this
 	 */
-	public CronTask setPattern(CronPattern pattern){
+	public CronTask setPattern(final CronPattern pattern){
 		this.pattern = pattern;
 		return this;
 	}

hutool-cron/src/main/java/cn/hutool/cron/task/InvokeTask.java

@@ -26,7 +26,7 @@ public class InvokeTask implements Task{
 	 * 构造
 	 * @param classNameWithMethodName 类名与方法名的字符串表示，方法名和类名使用#隔开或者.隔开
 	 */
-	public InvokeTask(String classNameWithMethodName) {
+	public InvokeTask(final String classNameWithMethodName) {
 		int splitIndex = classNameWithMethodName.lastIndexOf('#');
 		if(splitIndex <= 0){
 			splitIndex = classNameWithMethodName.lastIndexOf('.');
@@ -61,7 +61,7 @@ public class InvokeTask implements Task{
 	public void execute() {
 		try {
 			ReflectUtil.invoke(this.obj, this.method);
-		} catch (UtilException e) {
+		} catch (final UtilException e) {
 			throw new CronException(e.getCause());
 		}
 	}

hutool-cron/src/main/java/cn/hutool/cron/task/RunnableTask.java

@@ -7,8 +7,8 @@ package cn.hutool.cron.task;
  */
 public class RunnableTask implements Task{
 	private final Runnable runnable;
-	
-	public RunnableTask(Runnable runnable) {
+
+	public RunnableTask(final Runnable runnable) {
 		this.runnable = runnable;
 	}
 

hutool-cron/src/main/java/cn/hutool/cron/timingwheel/SystemTimer.java

@@ -44,7 +44,7 @@ public class SystemTimer {
 	 * @param delayQueueTimeout 执行队列取元素超时时长，单位毫秒
 	 * @return this
 	 */
-	public SystemTimer setDelayQueueTimeout(long delayQueueTimeout){
+	public SystemTimer setDelayQueueTimeout(final long delayQueueTimeout){
 		this.delayQueueTimeout = delayQueueTimeout;
 		return this;
 	}
@@ -78,7 +78,7 @@ public class SystemTimer {
 	 *
 	 * @param timerTask 任务
 	 */
-	public void addTask(TimerTask timerTask) {
+	public void addTask(final TimerTask timerTask) {
 		//添加失败任务直接执行
 		if (false == timeWheel.addTask(timerTask)) {
 			ThreadUtil.execAsync(timerTask.getTask());
@@ -92,14 +92,14 @@ public class SystemTimer {
 	 */
 	private boolean advanceClock() {
 		try {
-			TimerTaskList timerTaskList = poll();
+			final TimerTaskList timerTaskList = poll();
 			if (null != timerTaskList) {
 				//推进时间
 				timeWheel.advanceClock(timerTaskList.getExpire());
 				//执行过期任务（包含降级操作）
 				timerTaskList.flush(this::addTask);
 			}
-		} catch (InterruptedException ignore) {
+		} catch (final InterruptedException ignore) {
 			return false;
 		}
 		return true;

hutool-cron/src/main/java/cn/hutool/cron/timingwheel/TimerTask.java

@@ -43,7 +43,7 @@ public class TimerTask {
 	 * @param task 任务
 	 * @param delayMs 延迟毫秒数（以当前时间为准）
 	 */
-	public TimerTask(Runnable task, long delayMs) {
+	public TimerTask(final Runnable task, final long delayMs) {
 		this.delayMs = System.currentTimeMillis() + delayMs;
 		this.task = task;
 	}

hutool-cron/src/main/java/cn/hutool/cron/timingwheel/TimerTaskList.java

@@ -39,7 +39,7 @@ public class TimerTaskList implements Delayed {
 	 * @param expire 过期时间，单位毫秒
 	 * @return 是否设置成功
 	 */
-	public boolean setExpiration(long expire) {
+	public boolean setExpiration(final long expire) {
 		return this.expire.getAndSet(expire) != expire;
 	}
 
@@ -56,11 +56,11 @@ public class TimerTaskList implements Delayed {
 	 *
 	 * @param timerTask 延迟任务
 	 */
-	public void addTask(TimerTask timerTask) {
+	public void addTask(final TimerTask timerTask) {
 		synchronized (this) {
 			if (timerTask.timerTaskList == null) {
 				timerTask.timerTaskList = this;
-				TimerTask tail = root.prev;
+				final TimerTask tail = root.prev;
 				timerTask.next = root;
 				timerTask.prev = tail;
 				tail.next = timerTask;
@@ -74,7 +74,7 @@ public class TimerTaskList implements Delayed {
 	 *
 	 * @param timerTask 任务
 	 */
-	public void removeTask(TimerTask timerTask) {
+	public void removeTask(final TimerTask timerTask) {
 		synchronized (this) {
 			if (this.equals(timerTask.timerTaskList)) {
 				timerTask.next.prev = timerTask.prev;
@@ -91,7 +91,7 @@ public class TimerTaskList implements Delayed {
 	 *
 	 * @param flush 任务处理函数
 	 */
-	public synchronized void flush(Consumer<TimerTask> flush) {
+	public synchronized void flush(final Consumer<TimerTask> flush) {
 		TimerTask timerTask = root.next;
 		while (false == timerTask.equals(root)) {
 			this.removeTask(timerTask);
@@ -102,12 +102,12 @@ public class TimerTaskList implements Delayed {
 	}
 
 	@Override
-	public long getDelay(TimeUnit unit) {
+	public long getDelay(final TimeUnit unit) {
 		return Math.max(0, unit.convert(expire.get() - System.currentTimeMillis(), TimeUnit.MILLISECONDS));
 	}
 
 	@Override
-	public int compareTo(Delayed o) {
+	public int compareTo(final Delayed o) {
 		if (o instanceof TimerTaskList) {
 			return Long.compare(expire.get(), ((TimerTaskList) o).expire.get());
 		}

hutool-cron/src/main/java/cn/hutool/cron/timingwheel/TimingWheel.java

@@ -55,7 +55,7 @@ public class TimingWheel {
 	 * @param wheelSize 时间轮大小
 	 * @param consumer  任务处理器
 	 */
-	public TimingWheel(long tickMs, int wheelSize, Consumer<TimerTaskList> consumer) {
+	public TimingWheel(final long tickMs, final int wheelSize, final Consumer<TimerTaskList> consumer) {
 		this(tickMs, wheelSize, System.currentTimeMillis(), consumer);
 	}
 
@@ -67,7 +67,7 @@ public class TimingWheel {
 	 * @param currentTime 当前时间
 	 * @param consumer    任务处理器
 	 */
-	public TimingWheel(long tickMs, int wheelSize, long currentTime, Consumer<TimerTaskList> consumer) {
+	public TimingWheel(final long tickMs, final int wheelSize, final long currentTime, final Consumer<TimerTaskList> consumer) {
 		this.tickMs = tickMs;
 		this.wheelSize = wheelSize;
 		this.interval = tickMs * wheelSize;
@@ -83,15 +83,15 @@ public class TimingWheel {
 	 * @param timerTask 任务
 	 * @return 是否成功
 	 */
-	public boolean addTask(TimerTask timerTask) {
-		long expiration = timerTask.getDelayMs();
+	public boolean addTask(final TimerTask timerTask) {
+		final long expiration = timerTask.getDelayMs();
 		//过期任务直接执行
 		if (expiration < currentTime + tickMs) {
 			return false;
 		} else if (expiration < currentTime + interval) {
 			//当前时间轮可以容纳该任务 加入时间槽
-			long virtualId = expiration / tickMs;
-			int index = (int) (virtualId % wheelSize);
+			final long virtualId = expiration / tickMs;
+			final int index = (int) (virtualId % wheelSize);
 			StaticLog.debug("tickMs: {} ------index: {} ------expiration: {}", tickMs, index, expiration);
 
 			TimerTaskList timerTaskList = timerTaskLists[index];
@@ -106,7 +106,7 @@ public class TimingWheel {
 			}
 		} else {
 			//放到上一层的时间轮
-			TimingWheel timeWheel = getOverflowWheel();
+			final TimingWheel timeWheel = getOverflowWheel();
 			timeWheel.addTask(timerTask);
 		}
 		return true;
@@ -117,7 +117,7 @@ public class TimingWheel {
 	 *
 	 * @param timestamp 推进的时间
 	 */
-	public void advanceClock(long timestamp) {
+	public void advanceClock(final long timestamp) {
 		if (timestamp >= currentTime + tickMs) {
 			currentTime = timestamp - (timestamp % tickMs);
 			if (overflowWheel != null) {

hutool-cron/src/test/java/cn/hutool/cron/demo/AddAndRemoveMainTest.java

@@ -6,11 +6,11 @@ import cn.hutool.cron.CronUtil;
 
 public class AddAndRemoveMainTest {
 
-	public static void main(String[] args) {
+	public static void main(final String[] args) {
 		CronUtil.setMatchSecond(true);
 		CronUtil.start(false);
 		CronUtil.getScheduler().clear();
-		String id = CronUtil.schedule("*/2 * * * * *", (Runnable) () -> Console.log("task running : 2s"));
+		final String id = CronUtil.schedule("*/2 * * * * *", (Runnable) () -> Console.log("task running : 2s"));
 		ThreadUtil.sleep(3000);
 		CronUtil.remove(id);
 		Console.log("Task Removed");

hutool-cron/src/test/java/cn/hutool/cron/demo/CronTest.java

@@ -44,17 +44,17 @@ public class CronTest {
 	public void cronWithListenerTest() {
 		CronUtil.getScheduler().addListener(new TaskListener() {
 			@Override
-			public void onStart(TaskExecutor executor) {
+			public void onStart(final TaskExecutor executor) {
 				Console.log("Found task:[{}] start!", executor.getCronTask().getId());
 			}
 
 			@Override
-			public void onSucceeded(TaskExecutor executor) {
+			public void onSucceeded(final TaskExecutor executor) {
 				Console.log("Found task:[{}] success!", executor.getCronTask().getId());
 			}
 
 			@Override
-			public void onFailed(TaskExecutor executor, Throwable exception) {
+			public void onFailed(final TaskExecutor executor, final Throwable exception) {
 				Console.error("Found task:[{}] failed!", executor.getCronTask().getId());
 			}
 		});
@@ -70,7 +70,7 @@ public class CronTest {
 	@Test
 	@Ignore
 	public void addAndRemoveTest() {
-		String id = CronUtil.schedule("*/2 * * * * *", (Runnable) () -> Console.log("task running : 2s"));
+		final String id = CronUtil.schedule("*/2 * * * * *", (Runnable) () -> Console.log("task running : 2s"));
 
 		Console.log(id);
 		CronUtil.remove(id);

hutool-cron/src/test/java/cn/hutool/cron/demo/DeamonMainTest.java

@@ -5,7 +5,7 @@ import cn.hutool.cron.CronUtil;
 import cn.hutool.cron.task.InvokeTask;
 
 public class DeamonMainTest {
-	public static void main(String[] args) {
+	public static void main(final String[] args) {
 		// 测试守护线程是否对作业线程有效
 		CronUtil.schedule("*/2 * * * * *", new InvokeTask("cn.hutool.cron.demo.TestJob.doWhileTest"));
 		// 当为守护线程时，stop方法调用后doWhileTest里的循环输出将终止，表示作业线程正常结束

hutool-cron/src/test/java/cn/hutool/cron/demo/JobMainTest.java

@@ -7,7 +7,7 @@ import cn.hutool.cron.CronUtil;
  */
 public class JobMainTest {
 
-	public static void main(String[] args) {
+	public static void main(final String[] args) {
 		CronUtil.setMatchSecond(true);
 		CronUtil.start(false);
 	}

hutool-cron/src/test/java/cn/hutool/cron/demo/TestJob.java

@@ -28,7 +28,7 @@ public class TestJob {
 	 */
 	@SuppressWarnings("InfiniteLoopStatement")
 	public void doWhileTest() {
-		String name = Thread.currentThread().getName();
+		final String name = Thread.currentThread().getName();
 		while (true) {
 			Console.log("Job {} while running...", name);
 			ThreadUtil.sleep(2000);

hutool-cron/src/test/java/cn/hutool/cron/pattern/CronPatternBuilderTest.java

@@ -25,7 +25,7 @@ public class CronPatternBuilderTest {
 
 	@Test
 	public void buildRangeTest(){
-		String build = CronPatternBuilder.of()
+		final String build = CronPatternBuilder.of()
 				.set(Part.SECOND, "*")
 				.setRange(Part.HOUR, 2, 9)
 				.build();
@@ -34,7 +34,7 @@ public class CronPatternBuilderTest {
 
 	@Test(expected = CronException.class)
 	public void buildRangeErrorTest(){
-		String build = CronPatternBuilder.of()
+		final String build = CronPatternBuilder.of()
 				.set(Part.SECOND, "*")
 				// 55无效值
 				.setRange(Part.HOUR, 2, 55)

hutool-cron/src/test/java/cn/hutool/cron/pattern/CronPatternNextMatchTest.java

@@ -49,7 +49,7 @@ public class CronPatternNextMatchTest {
 
 	@Test
 	public void nextMatchAfterTest(){
-		CronPattern pattern = new CronPattern("23 12 * 12 * * *");
+		final CronPattern pattern = new CronPattern("23 12 * 12 * * *");
 
 		// 时间正常递增
 		//noinspection ConstantConditions
@@ -90,7 +90,7 @@ public class CronPatternNextMatchTest {
 
 	@Test
 	public void nextMatchAfterByWeekTest(){
-		CronPattern pattern = new CronPattern("1 1 1 * * Sat *");
+		final CronPattern pattern = new CronPattern("1 1 1 * * Sat *");
 		// 周日，下个周六在4月9日
 		final DateTime time = DateUtil.parse("2022-04-03");
 		assert time != null;

hutool-cron/src/test/java/cn/hutool/cron/pattern/CronPatternTest.java

@@ -14,7 +14,7 @@ public class CronPatternTest {
 
 	@Test
 	public void matchAllTest() {
-		CronPattern pattern;
+		final CronPattern pattern;
 		// 任何时间匹配
 		pattern = CronPattern.of("* * * * * *");
 		assertMatch(pattern, DateUtil.formatNow());
@@ -24,7 +24,7 @@ public class CronPatternTest {
 	public void matchAllTest2() {
 		// 在5位表达式中，秒部分并不是任意匹配，而是一个固定值0
 		// 因此此处匹配就不能匹配秒
-		CronPattern pattern;
+		final CronPattern pattern;
 		// 任何时间匹配
 		// 分 时 天 月 周
 		pattern = CronPattern.of("* * * * *");
@@ -125,7 +125,7 @@ public class CronPatternTest {
 	@Test
 	public void patternNegativeTest() {
 		// -4表示倒数的数字，此处在小时上，-4表示 23 - 4，为19
-		CronPattern pattern = CronPattern.of("* 0 -4 * * ?");
+		final CronPattern pattern = CronPattern.of("* 0 -4 * * ?");
 		assertMatch(pattern, "2017-02-09 19:00:00");
 		assertMatch(pattern, "2017-02-19 19:00:33");
 	}
@@ -172,7 +172,7 @@ public class CronPatternTest {
 	 * @param date    日期，标准日期时间字符串
 	 */
 	@SuppressWarnings("ConstantConditions")
-	private void assertMatch(CronPattern pattern, String date) {
+	private void assertMatch(final CronPattern pattern, final String date) {
 		Assert.assertTrue(pattern.match(DateUtil.parse(date).toCalendar(), false));
 		Assert.assertTrue(pattern.match(DateUtil.parse(date).toCalendar(), true));
 	}

hutool-cron/src/test/java/cn/hutool/cron/pattern/CronPatternUtilTest.java

@@ -12,7 +12,7 @@ public class CronPatternUtilTest {
 	@Test
 	public void matchedDatesTest() {
 		//测试每30秒执行
-		List<Date> matchedDates = CronPatternUtil.matchedDates("0/30 * 8-18 * * ?", DateUtil.parse("2018-10-15 14:33:22"), 5, true);
+		final List<Date> matchedDates = CronPatternUtil.matchedDates("0/30 * 8-18 * * ?", DateUtil.parse("2018-10-15 14:33:22"), 5, true);
 		Assert.assertEquals(5, matchedDates.size());
 		Assert.assertEquals("2018-10-15 14:33:30", matchedDates.get(0).toString());
 		Assert.assertEquals("2018-10-15 14:34:00", matchedDates.get(1).toString());
@@ -24,7 +24,7 @@ public class CronPatternUtilTest {
 	@Test
 	public void matchedDatesTest2() {
 		//测试每小时执行
-		List<Date> matchedDates = CronPatternUtil.matchedDates("0 0 */1 * * *", DateUtil.parse("2018-10-15 14:33:22"), 5, true);
+		final List<Date> matchedDates = CronPatternUtil.matchedDates("0 0 */1 * * *", DateUtil.parse("2018-10-15 14:33:22"), 5, true);
 		Assert.assertEquals(5, matchedDates.size());
 		Assert.assertEquals("2018-10-15 15:00:00", matchedDates.get(0).toString());
 		Assert.assertEquals("2018-10-15 16:00:00", matchedDates.get(1).toString());
@@ -36,7 +36,7 @@ public class CronPatternUtilTest {
 	@Test
 	public void matchedDatesTest3() {
 		//测试最后一天
-		List<Date> matchedDates = CronPatternUtil.matchedDates("0 0 */1 L * *", DateUtil.parse("2018-10-30 23:33:22"), 5, true);
+		final List<Date> matchedDates = CronPatternUtil.matchedDates("0 0 */1 L * *", DateUtil.parse("2018-10-30 23:33:22"), 5, true);
 		Assert.assertEquals(5, matchedDates.size());
 		Assert.assertEquals("2018-10-31 00:00:00", matchedDates.get(0).toString());
 		Assert.assertEquals("2018-10-31 01:00:00", matchedDates.get(1).toString());

hutool-cron/src/test/resources/config/cron.setting

@@ -8,7 +8,7 @@
 
 # cn.hutool.cron.demo.TestJob.doTest = */1 * * * * *
 
-[cn.hutool.cron.demo]
+[cn.hutool.cron.demo]=
 # 6位表达式在秒匹配模式下可用，此处表示每秒执行一次
 # TestJob.doTest = */1 * * * * *
 # 5位表达式在分匹配模式下可用，此处表示每分钟执行一次