fix comment

hutool-core/src/main/java/cn/hutool/v7/core/data/id/ULID.java

@@ -22,6 +22,7 @@ import cn.hutool.v7.core.lang.Assert;
 import cn.hutool.v7.core.util.ByteUtil;
 import cn.hutool.v7.core.util.RandomUtil;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.nio.ByteOrder;
 import java.util.Objects;
@@ -52,6 +53,7 @@ import java.util.Random;
  * @since 6.0.0
  */
 public class ULID implements Comparable<ULID>, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
 	/**
@@ -174,6 +176,9 @@ public class ULID implements Comparable<ULID>, Serializable {
 
 	// endregion
 
+	/**
+	 * 16位ID值
+	 */
 	private final Number128 idValue;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/data/id/UUID.java

@@ -90,6 +90,9 @@ public final class UUID implements java.io.Serializable, Comparable<UUID> {
 	private static final AtomicLong lastV7time = new AtomicLong(0);
 	private static final long NANOS_PER_MILLI = 1_000_000;
 
+	/**
+	 * 16位ID值
+	 */
 	private final Number128 idValue;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/date/format/FastDateFormat.java

@@ -21,6 +21,7 @@ import cn.hutool.v7.core.date.DateFormatPool;
 import cn.hutool.v7.core.date.format.parser.FastDateParser;
 import cn.hutool.v7.core.date.format.parser.PositionDateParser;
 
+import java.io.Serial;
 import java.text.DateFormat;
 import java.text.FieldPosition;
 import java.text.Format;
@@ -49,6 +50,7 @@ import java.util.TimeZone;
  *
  */
 public class FastDateFormat extends Format implements PositionDateParser, DatePrinter {
+	@Serial
 	private static final long serialVersionUID = 8097890768636183236L;
 
 	/**
@@ -75,7 +77,13 @@ public class FastDateFormat extends Format implements PositionDateParser, DatePr
 		}
 	};
 
+	/**
+	 * {@link FastDatePrinter}日期格式生成器
+	 */
 	private final FastDatePrinter printer;
+	/**
+	 * {@link FastDateParser}日期格式解析器
+	 */
 	private final FastDateParser parser;
 
 	// -----------------------------------------------------------------------

hutool-core/src/main/java/cn/hutool/v7/core/date/format/FastDatePrinter.java

@@ -19,6 +19,7 @@ package cn.hutool.v7.core.date.format;
 import cn.hutool.v7.core.date.format.parser.FastDateParser;
 import cn.hutool.v7.core.text.StrUtil;
 
+import java.io.Serial;
 import java.util.*;
 import java.util.concurrent.ConcurrentLinkedQueue;
 
@@ -29,8 +30,12 @@ import java.util.concurrent.ConcurrentLinkedQueue;
  * @see FastDateParser
  */
 public class FastDatePrinter extends SimpleDateBasic implements DatePrinter {
+	@Serial
 	private static final long serialVersionUID = -6305750172255764887L;
 
+	/**
+	 * 日期模式
+	 */
 	private final DatePattern datePattern;
 	/**
 	 * 缓存的Calendar对象，用于减少对象创建。参考tomcat的ConcurrentDateFormat

hutool-core/src/main/java/cn/hutool/v7/core/date/format/parser/FastDateParser.java

@@ -50,9 +50,15 @@ public class FastDateParser extends SimpleDateBasic implements PositionDateParse
 	 * 世纪：2000年前为19， 之后为20
 	 */
 	private final int century;
+	/**
+	 * 起始年份
+	 */
 	private final int startYear;
 
 	// derived fields
+	/**
+	 * 缓存的解析策略
+	 */
 	private transient List<StrategyAndWidth> patterns;
 
 	// comparator used to sort regex alternatives

hutool-core/src/main/java/cn/hutool/v7/core/date/format/parser/PatternsDateParser.java

@@ -20,6 +20,7 @@ import cn.hutool.v7.core.date.CalendarUtil;
 import cn.hutool.v7.core.date.DateException;
 import cn.hutool.v7.core.date.DateTime;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Calendar;
 import java.util.Locale;
@@ -32,6 +33,7 @@ import java.util.Locale;
  * @since 6.0.0
  */
 public class PatternsDateParser implements DateParser, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
 	/**
@@ -44,7 +46,13 @@ public class PatternsDateParser implements DateParser, Serializable {
 		return new PatternsDateParser(parsePatterns);
 	}
 
+	/**
+	 * 解析格式
+	 */
 	private String[] parsePatterns;
+	/**
+	 * 地区
+	 */
 	private Locale locale;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/date/format/parser/RegexDateParser.java

@@ -28,6 +28,7 @@ import cn.hutool.v7.core.text.CharUtil;
 import cn.hutool.v7.core.text.StrUtil;
 import cn.hutool.v7.core.text.dfa.WordTree;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.time.LocalDateTime;
 import java.time.OffsetDateTime;
@@ -45,6 +46,7 @@ import java.util.regex.Pattern;
  * @author Looly
  */
 public class RegexDateParser implements DateParser, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
 	private static final int[] NSS = {100000000, 10000000, 1000000, 100000, 10000, 1000, 100, 10, 1};
@@ -75,7 +77,13 @@ public class RegexDateParser implements DateParser, Serializable {
 		return new RegexDateParser(ListUtil.of(patterns));
 	}
 
+	/**
+	 * 格式列表
+	 */
 	private final List<Pattern> patterns;
+	/**
+	 * {@code true}默认为mm/dd，否则dd/mm
+	 */
 	private boolean preferMonthFirst;
 
 	/**
@@ -296,15 +304,14 @@ public class RegexDateParser implements DateParser, Serializable {
 
 	private static int parseYear(final String year) {
 		final int length = year.length();
-		switch (length) {
+		return switch (length) {
-			case 4:
+			case 4 -> Integer.parseInt(year);
-				return Integer.parseInt(year);
+			case 2 -> {
-			case 2:
 				final int num = Integer.parseInt(year);
-				return (num > 50 ? 1900 : 2000) + num;
+				yield (num > 50 ? 1900 : 2000) + num;
-			default:
+			}
-				throw new DateException("Invalid year: [{}]", year);
+			default -> throw new DateException("Invalid year: [{}]", year);
-		}
+		};
 	}
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/date/format/parser/RegisterDateParser.java

@@ -19,6 +19,7 @@ package cn.hutool.v7.core.date.format.parser;
 import cn.hutool.v7.core.collection.ListUtil;
 import cn.hutool.v7.core.date.DateException;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Date;
 import java.util.List;
@@ -31,6 +32,7 @@ import java.util.List;
  * @since 6.0.0
  */
 public class RegisterDateParser implements DateParser, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
 	/**
@@ -38,6 +40,9 @@ public class RegisterDateParser implements DateParser, Serializable {
 	 */
 	public static final RegisterDateParser INSTANCE = new RegisterDateParser();
 
+	/**
+	 * 日期解析器列表
+	 */
 	private final List<PredicateDateParser> parserList;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/exception/StatefulException.java

@@ -16,15 +16,20 @@
 
 package cn.hutool.v7.core.exception;
 
+import java.io.Serial;
+
 /**
  * 带有状态码的异常
  *
  * @author Looly
  */
 public class StatefulException extends HutoolException {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
-	// 异常状态码
+	/**
+	 * 异常状态码
+	 */
 	private int status;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/func/ComposeFunction.java

@@ -18,6 +18,7 @@ package cn.hutool.v7.core.func;
 
 import cn.hutool.v7.core.lang.Assert;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.function.Function;
 
@@ -31,6 +32,7 @@ import java.util.function.Function;
  * @since 6.0.0
  */
 public class ComposeFunction<A, B, C> implements Function<A, C>, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
 	/**
@@ -47,7 +49,13 @@ public class ComposeFunction<A, B, C> implements Function<A, C>, Serializable {
 		return new ComposeFunction<>(g, f);
 	}
 
+	/**
+	 * 函数1
+	 */
 	private final Function<B, C> g;
+	/**
+	 * 函数2
+	 */
 	private final Function<A, ? extends B> f;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/io/ByteOrderMark.java

@@ -20,6 +20,7 @@ import cn.hutool.v7.core.lang.Assert;
 import cn.hutool.v7.core.array.ArrayUtil;
 import cn.hutool.v7.core.util.CharsetUtil;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Arrays;
 import java.util.function.Predicate;
@@ -40,6 +41,7 @@ import java.util.function.Predicate;
  * @author Apache-commons-io
  */
 public class ByteOrderMark implements Predicate<byte[]>, Comparable<ByteOrderMark>, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
 	// region ----- BOMs
@@ -85,7 +87,13 @@ public class ByteOrderMark implements Predicate<byte[]>, Comparable<ByteOrderMar
 	};
 	// endregion
 
+	/**
+	 * BOM头
+	 */
 	private final String charsetName;
+	/**
+	 * BOM bytes
+	 */
 	private final byte[] bytes;
 
 	/**
@@ -163,10 +171,9 @@ public class ByteOrderMark implements Predicate<byte[]>, Comparable<ByteOrderMar
 
 	@Override
 	public boolean equals(final Object obj) {
-		if (!(obj instanceof ByteOrderMark)) {
+		if (!(obj instanceof final ByteOrderMark bom)) {
 			return false;
 		}
-		final ByteOrderMark bom = (ByteOrderMark) obj;
 		return Arrays.equals(this.bytes, bom.bytes);
 	}
 

hutool-core/src/main/java/cn/hutool/v7/core/io/checksum/CRC16.java

@@ -19,6 +19,7 @@ package cn.hutool.v7.core.io.checksum;
 import cn.hutool.v7.core.io.checksum.crc16.CRC16Checksum;
 import cn.hutool.v7.core.io.checksum.crc16.CRC16IBM;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.zip.Checksum;
 
@@ -29,8 +30,12 @@ import java.util.zip.Checksum;
  * @since 4.4.1
  */
 public class CRC16 implements Checksum, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * CRC16实现
+	 */
 	private final CRC16Checksum crc16;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/io/checksum/CRC8.java

@@ -16,6 +16,7 @@
 
 package cn.hutool.v7.core.io.checksum;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.zip.Checksum;
 
@@ -27,10 +28,20 @@ import java.util.zip.Checksum;
  * @since 4.4.1
  */
 public class CRC8 implements Checksum, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * CRC8-CCITT polynomial.
+	 */
 	private final short init;
+	/**
+	 * CRC8-CCITT table.
+	 */
 	private final short[] crcTable = new short[256];
+	/**
+	 * CRC8 value.
+	 */
 	private short value;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/io/file/FileAppender.java

@@ -22,6 +22,7 @@ import cn.hutool.v7.core.util.ObjUtil;
 
 import java.io.File;
 import java.io.PrintWriter;
+import java.io.Serial;
 import java.io.Serializable;
 import java.nio.charset.Charset;
 import java.util.ArrayList;
@@ -38,8 +39,12 @@ import java.util.concurrent.locks.Lock;
  * @since 3.1.2
  */
 public class FileAppender implements Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 文件写入器
+	 */
 	private final FileWriter writer;
 	/**
 	 * 内存中持有的字符串数

hutool-core/src/main/java/cn/hutool/v7/core/io/file/LineReadWatcher.java

@@ -34,8 +34,17 @@ import java.nio.file.WatchKey;
  */
 public class LineReadWatcher extends SimpleWatcher implements Runnable {
 
+	/**
+	 * 随机访问文件
+	 */
 	private final RandomAccessFile randomAccessFile;
+	/**
+	 * 编码
+	 */
 	private final Charset charset;
+	/**
+	 * 行处理器{@link SerConsumer}实现
+	 */
 	private final SerConsumer<String> lineHandler;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/io/file/PathCopier.java

@@ -23,6 +23,7 @@ import cn.hutool.v7.core.lang.copier.SrcToTargetCopier;
 import cn.hutool.v7.core.util.ObjUtil;
 
 import java.io.IOException;
+import java.io.Serial;
 import java.nio.file.*;
 
 /**
@@ -32,6 +33,7 @@ import java.nio.file.*;
  * @since 6.0.0
  */
 public class PathCopier extends SrcToTargetCopier<Path, PathCopier> {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
 	/**
@@ -58,6 +60,9 @@ public class PathCopier extends SrcToTargetCopier<Path, PathCopier> {
 		return new PathCopier(src, target, options);
 	}
 
+	/**
+	 * 复制参数
+	 */
 	private final CopyOption[] options;
 
 	/**
@@ -65,7 +70,7 @@ public class PathCopier extends SrcToTargetCopier<Path, PathCopier> {
 	 *
 	 * @param src     源文件或目录，不能为{@code null}且必须存在
 	 * @param target  目标文件或目录
-	 * @param options 移动参数
+	 * @param options 复制参数
 	 */
 	public PathCopier(final Path src, final Path target, final CopyOption[] options) {
 		Assert.notNull(target, "Src path must be not null !");

hutool-core/src/main/java/cn/hutool/v7/core/io/file/Tailer.java

@@ -29,10 +29,7 @@ import cn.hutool.v7.core.lang.Console;
 import cn.hutool.v7.core.text.CharUtil;
 import cn.hutool.v7.core.util.CharsetUtil;
 
-import java.io.File;
+import java.io.*;
-import java.io.IOException;
-import java.io.RandomAccessFile;
-import java.io.Serializable;
 import java.nio.charset.Charset;
 import java.nio.file.WatchEvent;
 import java.nio.file.WatchKey;
@@ -46,6 +43,7 @@ import java.util.concurrent.*;
  * @since 4.5.2
  */
 public class Tailer implements Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
 	/**
@@ -53,26 +51,48 @@ public class Tailer implements Serializable {
 	 */
 	public static final SerConsumer<String> CONSOLE_HANDLER = new ConsoleLineHandler();
 
-	/** 编码 */
+	/**
+	 * 编码
+	 */
 	private final Charset charset;
-	/** 行处理器 */
+	/**
+	 * 行处理器
+	 */
 	private final SerConsumer<String> lineHandler;
-	/** 初始读取的行数 */
+	/**
+	 * 初始读取的行数
+	 */
 	private final int initReadLine;
-	/** 定时任务检查间隔时长 */
+	/**
+	 * 定时任务检查间隔时长
+	 */
 	private final long period;
 
+	/**
+	 * 文件路径
+	 */
 	private final String filePath;
+	/**
+	 * 随机访问文件
+	 */
 	private final RandomAccessFile randomAccessFile;
+	/**
+	 * 定时任务执行器
+	 */
 	private final ScheduledExecutorService executorService;
+	/**
+	 * 文件删除监听器
+	 */
 	private WatchMonitor fileDeleteWatchMonitor;
-
+	/**
+	 * 删除文件后是否退出并抛出异常
+	 */
 	private boolean stopOnDelete;
 
 	/**
 	 * 构造，默认UTF-8编码
 	 *
-	 * @param file 文件
+	 * @param file        文件
 	 * @param lineHandler 行处理器
 	 */
 	public Tailer(final File file, final SerConsumer<String> lineHandler) {
@@ -82,8 +102,8 @@ public class Tailer implements Serializable {
 	/**
 	 * 构造，默认UTF-8编码
 	 *
-	 * @param file 文件
+	 * @param file         文件
-	 * @param lineHandler 行处理器
+	 * @param lineHandler  行处理器
 	 * @param initReadLine 启动时预读取的行数，1表示一行
 	 */
 	public Tailer(final File file, final SerConsumer<String> lineHandler, final int initReadLine) {
@@ -93,8 +113,8 @@ public class Tailer implements Serializable {
 	/**
 	 * 构造
 	 *
-	 * @param file 文件
+	 * @param file        文件
-	 * @param charset 编码
+	 * @param charset     编码
 	 * @param lineHandler 行处理器
 	 */
 	public Tailer(final File file, final Charset charset, final SerConsumer<String> lineHandler) {
@@ -104,11 +124,11 @@ public class Tailer implements Serializable {
 	/**
 	 * 构造
 	 *
-	 * @param file 文件
+	 * @param file         文件
-	 * @param charset 编码
+	 * @param charset      编码
-	 * @param lineHandler 行处理器
+	 * @param lineHandler  行处理器
 	 * @param initReadLine 启动时预读取的行数，1表示一行
-	 * @param period 检查间隔
+	 * @param period       检查间隔
 	 */
 	public Tailer(final File file, final Charset charset, final SerConsumer<String> lineHandler, final int initReadLine, final long period) {
 		checkFile(file);
@@ -152,15 +172,16 @@ public class Tailer implements Serializable {
 
 		final LineReadWatcher lineReadWatcher = new LineReadWatcher(this.randomAccessFile, this.charset, this.lineHandler);
 		final ScheduledFuture<?> scheduledFuture = this.executorService.scheduleAtFixedRate(//
-				lineReadWatcher, //
+			lineReadWatcher, //
-				0, //
+			0, //
-				this.period, TimeUnit.MILLISECONDS//
+			this.period, TimeUnit.MILLISECONDS//
 		);
 
 		// 监听删除
-		if(stopOnDelete){
+		if (stopOnDelete) {
 			fileDeleteWatchMonitor = WatchUtil.of(this.filePath, WatchKind.DELETE.getValue());
-			fileDeleteWatchMonitor.setWatcher(new SimpleWatcher(){
+			fileDeleteWatchMonitor.setWatcher(new SimpleWatcher() {
+				@Serial
 				private static final long serialVersionUID = 4497160994840060329L;
 
 				@Override
@@ -187,8 +208,8 @@ public class Tailer implements Serializable {
 	/**
 	 * 结束，此方法需在异步模式或
 	 */
-	public void stop(){
+	public void stop() {
-		try{
+		try {
 			this.executorService.shutdown();
 		} finally {
 			IoUtil.closeQuietly(this.randomAccessFile);
@@ -197,6 +218,7 @@ public class Tailer implements Serializable {
 	}
 
 	// ---------------------------------------------------------------------------------------- Private method start
+
 	/**
 	 * 预读取行
 	 *
@@ -225,7 +247,7 @@ public class Tailer implements Serializable {
 				if (c == CharUtil.LF || c == CharUtil.CR) {
 					// FileUtil.readLine(this.randomAccessFile, this.charset, this.lineHandler);
 					final String line = FileUtil.readLine(this.randomAccessFile, this.charset);
-					if(null != line) {
+					if (null != line) {
 						stack.push(line);
 					}
 					currentLine++;
@@ -237,7 +259,7 @@ public class Tailer implements Serializable {
 					// 当文件指针退至文件开始处，输出第一行
 					// FileUtil.readLine(this.randomAccessFile, this.charset, this.lineHandler);
 					final String line = FileUtil.readLine(this.randomAccessFile, this.charset);
-					if(null != line) {
+					if (null != line) {
 						stack.push(line);
 					}
 					break;
@@ -280,7 +302,9 @@ public class Tailer implements Serializable {
 	 * @since 4.5.2
 	 */
 	public static class ConsoleLineHandler implements SerConsumer<String> {
+		@Serial
 		private static final long serialVersionUID = 1L;
+
 		@Override
 		public void accepting(final String line) {
 			Console.log(line);

hutool-core/src/main/java/cn/hutool/v7/core/io/resource/BytesResource.java

@@ -21,6 +21,7 @@ import cn.hutool.v7.core.text.StrUtil;
 
 import java.io.ByteArrayInputStream;
 import java.io.InputStream;
+import java.io.Serial;
 import java.io.Serializable;
 import java.net.URL;
 import java.nio.charset.Charset;
@@ -33,9 +34,16 @@ import java.nio.charset.Charset;
  * @since 4.0.9
  */
 public class BytesResource implements Resource, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 字节数据
+	 */
 	private final byte[] bytes;
+	/**
+	 * 资源名称
+	 */
 	private final String name;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/io/resource/ClassPathResource.java

@@ -39,8 +39,17 @@ public class ClassPathResource extends UrlResource {
 	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 路径
+	 */
 	private final String path;
+	/**
+	 * 类加载器
+	 */
 	private final ClassLoader classLoader;
+	/**
+	 *  基于的类
+	 */
 	private final Class<?> clazz;
 
 	// -------------------------------------------------------------------------------------- Constructor start

hutool-core/src/main/java/cn/hutool/v7/core/io/resource/FileResource.java

@@ -37,8 +37,17 @@ public class FileResource implements Resource, Serializable {
 	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 *  文件
+	 */
 	private final File file;
+	/**
+	 * 文件最后修改时间
+	 */
 	private final long lastModified;
+	/**
+	 * 文件名
+	 */
 	private final String name;
 
 	// ----------------------------------------------------------------------- Constructor start

hutool-core/src/main/java/cn/hutool/v7/core/io/resource/HttpResource.java

@@ -19,6 +19,7 @@ package cn.hutool.v7.core.io.resource;
 import cn.hutool.v7.core.lang.Assert;
 
 import java.io.InputStream;
+import java.io.Serial;
 import java.io.Serializable;
 import java.net.URL;
 
@@ -29,9 +30,16 @@ import java.net.URL;
  * @since 5.7.17
  */
 public class HttpResource implements Resource, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 资源
+	 */
 	private final Resource resource;
+	/**
+	 * Content-Type类型
+	 */
 	private final String contentType;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/io/resource/InputStreamResource.java

@@ -19,10 +19,7 @@ package cn.hutool.v7.core.io.resource;
 import cn.hutool.v7.core.io.IORuntimeException;
 import cn.hutool.v7.core.io.stream.ReaderInputStream;
 
-import java.io.IOException;
+import java.io.*;
-import java.io.InputStream;
-import java.io.Reader;
-import java.io.Serializable;
 import java.net.URL;
 import java.nio.charset.Charset;
 
@@ -34,9 +31,16 @@ import java.nio.charset.Charset;
  * @since 4.0.9
  */
 public class InputStreamResource implements Resource, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * {@link InputStream}
+	 */
 	private final InputStream in;
+	/**
+	 * 资源名称
+	 */
 	private final String name;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/io/resource/MultiResource.java

@@ -21,6 +21,7 @@ import cn.hutool.v7.core.io.IORuntimeException;
 
 import java.io.BufferedReader;
 import java.io.InputStream;
+import java.io.Serial;
 import java.io.Serializable;
 import java.net.URL;
 import java.nio.charset.Charset;
@@ -37,9 +38,16 @@ import java.util.List;
  * @since 4.1.0
  */
 public class MultiResource implements Resource, Iterable<Resource>, Iterator<Resource>, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 资源列表
+	 */
 	private final List<Resource> resources;
+	/**
+	 * 游标
+	 */
 	private int cursor;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/io/resource/UrlResource.java

@@ -24,6 +24,7 @@ import cn.hutool.v7.core.util.ObjUtil;
 
 import java.io.File;
 import java.io.InputStream;
+import java.io.Serial;
 import java.io.Serializable;
 import java.net.URI;
 import java.net.URL;
@@ -34,6 +35,7 @@ import java.net.URL;
  * @author Looly
  */
 public class UrlResource implements Resource, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
 	/**
@@ -44,6 +46,9 @@ public class UrlResource implements Resource, Serializable {
 	 * 资源名称
 	 */
 	protected String name;
+	/**
+	 * 最后修改时间
+	 */
 	private long lastModified = 0;
 
 	//-------------------------------------------------------------------------------------- Constructor start

hutool-core/src/main/java/cn/hutool/v7/core/io/watch/WatchMonitor.java

@@ -22,6 +22,7 @@ import cn.hutool.v7.core.text.CharUtil;
 import cn.hutool.v7.core.text.StrUtil;
 
 import java.io.Closeable;
+import java.io.Serial;
 import java.io.Serializable;
 import java.nio.file.Path;
 import java.nio.file.WatchEvent;
@@ -37,8 +38,12 @@ import java.nio.file.WatchEvent;
  * @author Looly
  */
 public class WatchMonitor extends Thread implements Closeable, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 监听服务
+	 */
 	private final WatchServiceWrapper watchService;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/lang/Version.java

@@ -20,6 +20,7 @@ import cn.hutool.v7.core.collection.ListUtil;
 import cn.hutool.v7.core.comparator.CompareUtil;
 import cn.hutool.v7.core.text.CharUtil;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
@@ -31,6 +32,7 @@ import java.util.List;
  * @author Looly
  */
 public class Version implements Comparable<Version>, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
 	/**
@@ -44,10 +46,22 @@ public class Version implements Comparable<Version>, Serializable {
 		return new Version(v);
 	}
 
+	/**
+	 * 版本
+	 */
 	private final String version;
 
+	/**
+	 * 主版本号
+	 */
 	private final List<Object> sequence;
+	/**
+	 * 次版本号
+	 */
 	private final List<Object> pre;
+	/**
+	 * 构建版本
+	 */
 	private final List<Object> build;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/lang/mutable/MutableBool.java

@@ -16,6 +16,7 @@
 
 package cn.hutool.v7.core.lang.mutable;
 
+import java.io.Serial;
 import java.io.Serializable;
 
 /**
@@ -25,8 +26,12 @@ import java.io.Serializable;
  * @since 3.0.1
  */
 public class MutableBool implements Comparable<MutableBool>, Mutable<Boolean>, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 值
+	 */
 	private boolean value;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/lang/mutable/MutableByte.java

@@ -18,6 +18,8 @@ package cn.hutool.v7.core.lang.mutable;
 
 import cn.hutool.v7.core.comparator.CompareUtil;
 
+import java.io.Serial;
+
 /**
  * 可变 {@code byte} 类型
  *
@@ -25,8 +27,12 @@ import cn.hutool.v7.core.comparator.CompareUtil;
  * @since 3.0.1
  */
 public class MutableByte extends Number implements Comparable<MutableByte>, Mutable<Number> {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 值
+	 */
 	private byte value;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/lang/mutable/MutableDouble.java

@@ -18,6 +18,8 @@ package cn.hutool.v7.core.lang.mutable;
 
 import cn.hutool.v7.core.comparator.CompareUtil;
 
+import java.io.Serial;
+
 /**
  * 可变 {@code double} 类型
  *
@@ -25,8 +27,12 @@ import cn.hutool.v7.core.comparator.CompareUtil;
  * @since 3.0.1
  */
 public class MutableDouble extends Number implements Comparable<MutableDouble>, Mutable<Number> {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 值
+	 */
 	private double value;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/lang/mutable/MutableFloat.java

@@ -18,6 +18,8 @@ package cn.hutool.v7.core.lang.mutable;
 
 import cn.hutool.v7.core.comparator.CompareUtil;
 
+import java.io.Serial;
+
 /**
  * 可变 {@code float} 类型
  *
@@ -25,8 +27,12 @@ import cn.hutool.v7.core.comparator.CompareUtil;
  * @since 3.0.1
  */
 public class MutableFloat extends Number implements Comparable<MutableFloat>, Mutable<Number> {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 值
+	 */
 	private float value;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/lang/mutable/MutableInt.java

@@ -18,6 +18,8 @@ package cn.hutool.v7.core.lang.mutable;
 
 import cn.hutool.v7.core.comparator.CompareUtil;
 
+import java.io.Serial;
+
 /**
  * 可变 {@code int} 类型
  *
@@ -25,8 +27,12 @@ import cn.hutool.v7.core.comparator.CompareUtil;
  * @since 3.0.1
  */
 public class MutableInt extends Number implements Comparable<MutableInt>, Mutable<Number> {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 值
+	 */
 	private int value;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/lang/mutable/MutableLong.java

@@ -18,6 +18,8 @@ package cn.hutool.v7.core.lang.mutable;
 
 import cn.hutool.v7.core.comparator.CompareUtil;
 
+import java.io.Serial;
+
 /**
  * 可变 {@code long} 类型
  *
@@ -25,8 +27,12 @@ import cn.hutool.v7.core.comparator.CompareUtil;
  * @since 3.0.1
  */
 public class MutableLong extends Number implements Comparable<MutableLong>, Mutable<Number> {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 值
+	 */
 	private long value;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/lang/mutable/MutableObj.java

@@ -18,6 +18,7 @@ package cn.hutool.v7.core.lang.mutable;
 
 import cn.hutool.v7.core.util.ObjUtil;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Objects;
 
@@ -28,6 +29,7 @@ import java.util.Objects;
  * @since 3.0.1
  */
 public class MutableObj<T> implements Mutable<T>, Serializable{
+	@Serial
 	private static final long serialVersionUID = 1L;
 
 	/**
@@ -41,6 +43,9 @@ public class MutableObj<T> implements Mutable<T>, Serializable{
 		return new MutableObj<>(value);
 	}
 
+	/**
+	 * 值
+	 */
 	private T value;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/lang/mutable/MutableShort.java

@@ -18,6 +18,8 @@ package cn.hutool.v7.core.lang.mutable;
 
 import cn.hutool.v7.core.comparator.CompareUtil;
 
+import java.io.Serial;
+
 /**
  * 可变 {@code short} 类型
  *
@@ -25,8 +27,12 @@ import cn.hutool.v7.core.comparator.CompareUtil;
  * @since 3.0.1
  */
 public class MutableShort extends Number implements Comparable<MutableShort>, Mutable<Number> {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 值
+	 */
 	private short value;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/lang/selector/IncrementSelector.java

@@ -16,6 +16,7 @@
 
 package cn.hutool.v7.core.lang.selector;
 
+import java.io.Serial;
 import java.util.ArrayList;
 
 /**
@@ -26,8 +27,12 @@ import java.util.ArrayList;
  * @since 6.0.0
  */
 public class IncrementSelector<T> extends ArrayList<T> implements Selector<T> {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 值索引
+	 */
 	private int position;
 
 	// region ----- Constructors

hutool-core/src/main/java/cn/hutool/v7/core/lang/selector/WeightRandomSelector.java

@@ -18,6 +18,7 @@ package cn.hutool.v7.core.lang.selector;
 
 import cn.hutool.v7.core.collection.CollUtil;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.SortedMap;
 import java.util.TreeMap;
@@ -41,6 +42,7 @@ import java.util.TreeMap;
  * @since 3.3.0
  */
 public class WeightRandomSelector<T> implements Selector<T>, Serializable {
+	@Serial
 	private static final long serialVersionUID = -8244697995702786499L;
 
 	/**
@@ -53,6 +55,9 @@ public class WeightRandomSelector<T> implements Selector<T>, Serializable {
 		return new WeightRandomSelector<>();
 	}
 
+	/**
+	 * 权重对象
+	 */
 	private final TreeMap<Integer, T> weightMap;
 
 	// region ----- Constructors

hutool-core/src/main/java/cn/hutool/v7/core/map/BiMap.java

@@ -16,6 +16,7 @@
 
 package cn.hutool.v7.core.map;
 
+import java.io.Serial;
 import java.util.Map;
 import java.util.function.BiFunction;
 import java.util.function.Function;
@@ -31,8 +32,12 @@ import java.util.function.Function;
  * @since 5.2.6
  */
 public class BiMap<K, V> extends MapWrapper<K, V> {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 反向Map
+	 */
 	private Map<V, K> inverse;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/map/FuncKeyMap.java

@@ -16,6 +16,7 @@
 
 package cn.hutool.v7.core.map;
 
+import java.io.Serial;
 import java.util.Map;
 import java.util.function.Function;
 
@@ -28,8 +29,12 @@ import java.util.function.Function;
  * @since 5.6.0
  */
 public class FuncKeyMap<K, V> extends CustomKeyMap<K, V> {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 自定义KEY的函数
+	 */
 	private final Function<Object, K> keyFunc;
 
 	// ------------------------------------------------------------------------- Constructor start

hutool-core/src/main/java/cn/hutool/v7/core/map/FuncMap.java

@@ -16,6 +16,7 @@
 
 package cn.hutool.v7.core.map;
 
+import java.io.Serial;
 import java.util.Map;
 import java.util.function.Function;
 import java.util.function.Supplier;
@@ -29,9 +30,16 @@ import java.util.function.Supplier;
  * @since 5.8.0
  */
 public class FuncMap<K, V> extends TransMap<K, V> {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 自定义KEY的函数
+	 */
 	private final Function<Object, K> keyFunc;
+	/**
+	 * 自定义value函数
+	 */
 	private final Function<Object, V> valueFunc;
 
 	// ------------------------------------------------------------------------- Constructor start

hutool-core/src/main/java/cn/hutool/v7/core/map/MapBuilder.java

@@ -19,6 +19,7 @@ package cn.hutool.v7.core.map;
 
 import cn.hutool.v7.core.lang.builder.Builder;
 
+import java.io.Serial;
 import java.util.Map;
 import java.util.function.Supplier;
 
@@ -30,8 +31,12 @@ import java.util.function.Supplier;
  * @since 3.1.1
  */
 public class MapBuilder<K, V> implements Builder<Map<K, V>> {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * Map
+	 */
 	private final Map<K, V> map;
 
 	// region ----- of

hutool-core/src/main/java/cn/hutool/v7/core/map/MapProxy.java

@@ -23,6 +23,7 @@ import cn.hutool.v7.core.text.StrUtil;
 import cn.hutool.v7.core.array.ArrayUtil;
 import cn.hutool.v7.core.util.BooleanUtil;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.Method;
@@ -38,8 +39,12 @@ import java.util.Set;
  * @since 3.2.0
  */
 public class MapProxy implements Map<Object, Object>, TypeGetter<Object>, InvocationHandler, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 *  Map
+	 */
 	@SuppressWarnings("rawtypes")
 	Map map;
 

hutool-core/src/main/java/cn/hutool/v7/core/map/MapWrapper.java

@@ -20,10 +20,7 @@ import cn.hutool.v7.core.lang.Assert;
 import cn.hutool.v7.core.lang.wrapper.Wrapper;
 import cn.hutool.v7.core.util.ObjUtil;
 
-import java.io.IOException;
+import java.io.*;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-import java.io.Serializable;
 import java.util.*;
 import java.util.function.BiConsumer;
 import java.util.function.BiFunction;
@@ -39,6 +36,7 @@ import java.util.function.Supplier;
  * @since 4.3.3
  */
 public class MapWrapper<K, V> implements Map<K, V>, Iterable<Map.Entry<K, V>>, Wrapper<Map<K, V>>, Serializable, Cloneable {
+	@Serial
 	private static final long serialVersionUID = -7524578042008586382L;
 
 	/**
@@ -241,11 +239,25 @@ public class MapWrapper<K, V> implements Map<K, V>, Iterable<Map.Entry<K, V>>, W
 	//---------------------------------------------------------------------------- Override default methods end
 
 	// region 序列化与反序列化重写
+
+	/**
+	 * 写对象
+	 * @param out 输出流
+	 * @throws IOException IO异常
+	 */
+	@Serial
 	private void writeObject(final ObjectOutputStream out) throws IOException {
 		out.defaultWriteObject();
 		out.writeObject(this.raw);
 	}
 
+	/**
+	 * 读对象
+	 * @param in 输入流
+	 * @throws IOException IO异常
+	 * @throws ClassNotFoundException 类未找到异常
+	 */
+	@Serial
 	@SuppressWarnings("unchecked")
 	private void readObject(final ObjectInputStream in) throws IOException, ClassNotFoundException {
 		in.defaultReadObject();

hutool-core/src/main/java/cn/hutool/v7/core/map/TableMap.java

@@ -20,6 +20,7 @@ import cn.hutool.v7.core.collection.CollUtil;
 import cn.hutool.v7.core.collection.ListUtil;
 import cn.hutool.v7.core.util.ObjUtil;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -43,11 +44,21 @@ import java.util.function.BiFunction;
  * @author Looly
  */
 public class TableMap<K, V> implements Map<K, V>, Iterable<Map.Entry<K, V>>, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 默认初始大小
+	 */
 	private static final int DEFAULT_CAPACITY = 10;
 
+	/**
+	 * 键列表
+	 */
 	private final List<K> keys;
+	/**
+	 * 值列表
+	 */
 	private final List<V> values;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/map/TolerantMap.java

@@ -16,6 +16,7 @@
 
 package cn.hutool.v7.core.map;
 
+import java.io.Serial;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Objects;
@@ -28,8 +29,12 @@ import java.util.Objects;
  * @author pantao, Looly
  */
 public class TolerantMap<K, V> extends MapWrapper<K, V> {
+	@Serial
 	private static final long serialVersionUID = -4158133823263496197L;
 
+	/**
+	 * 默认值
+	 */
 	private final V defaultValue;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/map/TripleTable.java

@@ -20,6 +20,7 @@ import cn.hutool.v7.core.collection.ListUtil;
 import cn.hutool.v7.core.lang.Assert;
 import cn.hutool.v7.core.lang.tuple.Triple;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
@@ -36,10 +37,20 @@ import java.util.List;
  * @since 6.0.0
  */
 public class TripleTable<L, M, R> implements Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 左列表
+	 */
 	private final List<L> lefts;
+	/**
+	 * 中列表
+	 */
 	private final List<M> middles;
+	/**
+	 * 右列表
+	 */
 	private final List<R> rights;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/map/concurrent/ConcurrentLinkedHashMap.java

@@ -187,7 +187,13 @@ public final class ConcurrentLinkedHashMap<K, V> extends AbstractMap<K, V>
 	final long[] readBufferReadCount;
 	final LinkedDeque<Node<K, V>> evictionDeque;
 
+	/**
+	 * The number of weighted entries in the map.
+	 */
 	final AtomicLong weightedSize;
+	/**
+	 * Map容量
+	 */
 	final AtomicLong capacity;
 
 	final Lock evictionLock;
@@ -1441,11 +1447,20 @@ public final class ConcurrentLinkedHashMap<K, V> extends AbstractMap<K, V>
 	@Serial
 	private static final long serialVersionUID = 1;
 
+	/**
+	 * 序列化对象
+	 * @return 缓存对象
+	 */
 	@Serial
 	Object writeReplace() {
 		return new SerializationProxy<>(this);
 	}
 
+	/**
+	 * 反序列化对象
+	 * @param stream 对象流
+	 * @throws InvalidObjectException 无效对象异常
+	 */
 	@Serial
 	private void readObject(final ObjectInputStream stream) throws InvalidObjectException {
 		throw new InvalidObjectException("Proxy required");

hutool-core/src/main/java/cn/hutool/v7/core/map/multi/CollectionValueMap.java

@@ -18,6 +18,7 @@ package cn.hutool.v7.core.map.multi;
 
 import cn.hutool.v7.core.func.SerSupplier;
 
+import java.io.Serial;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
@@ -35,9 +36,12 @@ import java.util.function.Supplier;
  * @since 4.3.3
  */
 public class CollectionValueMap<K, V> extends AbsCollValueMap<K, V> {
-
+	@Serial
 	private static final long serialVersionUID = 9012989578038102983L;
 
+	/**
+	 * 值集合工厂方法
+	 */
 	private final SerSupplier<Collection<V>> collFactory;
 
 	// ------------------------------------------------------------------------- Constructor start

hutool-core/src/main/java/cn/hutool/v7/core/map/reference/ReferenceConcurrentMap.java

@@ -20,6 +20,7 @@ import cn.hutool.v7.core.lang.ref.Ref;
 import cn.hutool.v7.core.lang.ref.ReferenceUtil;
 import cn.hutool.v7.core.map.MapUtil;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.lang.ref.Reference;
 import java.lang.ref.ReferenceQueue;
@@ -37,10 +38,20 @@ import java.util.function.Function;
  * @author Looly
  */
 public abstract class ReferenceConcurrentMap<K, V> implements ConcurrentMap<K, V>, Iterable<Map.Entry<K, V>>, Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 键值对引用
+	 */
 	final ConcurrentMap<Ref<K>, Ref<V>> raw;
+	/**
+	 * 键队列
+	 */
 	private final ReferenceQueue<K> lastKeyQueue;
+	/**
+	 * 值队列
+	 */
 	private final ReferenceQueue<V> lastValueQueue;
 	/**
 	 * 回收监听

hutool-core/src/main/java/cn/hutool/v7/core/math/Arrangement.java

@@ -18,6 +18,7 @@ package cn.hutool.v7.core.math;
 
 import cn.hutool.v7.core.array.ArrayUtil;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -31,8 +32,12 @@ import java.util.List;
  * @since 4.0.7
  */
 public class Arrangement implements Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 用于排列的数据
+	 */
 	private final String[] datas;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/math/Combination.java

@@ -18,6 +18,7 @@ package cn.hutool.v7.core.math;
 
 import cn.hutool.v7.core.text.StrUtil;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -31,8 +32,12 @@ import java.util.List;
  * @since 4.0.6
  */
 public class Combination implements Serializable {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 用于组合的数据
+	 */
 	private final String[] datas;
 
 	/**

hutool-core/src/main/java/cn/hutool/v7/core/net/ssl/SSLContextBuilder.java

@@ -16,14 +16,15 @@
 
 package cn.hutool.v7.core.net.ssl;
 
-import cn.hutool.v7.core.lang.builder.Builder;
-import cn.hutool.v7.core.io.IORuntimeException;
 import cn.hutool.v7.core.array.ArrayUtil;
+import cn.hutool.v7.core.io.IORuntimeException;
+import cn.hutool.v7.core.lang.builder.Builder;
 import cn.hutool.v7.core.text.StrUtil;
 
 import javax.net.ssl.KeyManager;
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.TrustManager;
+import java.io.Serial;
 import java.security.*;
 
 
@@ -42,12 +43,38 @@ import java.security.*;
  * @since 5.5.2
  */
 public class SSLContextBuilder implements SSLProtocols, Builder<SSLContext> {
+	@Serial
 	private static final long serialVersionUID = 1L;
 
+	//SSL/TLS 协议配置参数
+
+	/**
+	 * 使用的 SSL/TLS 协议版本，默认为 TLS
+	 */
 	private String protocol = TLS;
+
+	/**
+	 * 密钥管理器数组，用于管理本地密钥材料（如客户端证书和私钥）
+	 * 在建立安全连接时提供本地身份验证所需的密钥
+	 */
 	private KeyManager[] keyManagers;
+
+	/**
+	 * 信任管理器数组，用于管理受信任的 CA 证书
+	 * 决定哪些远程证书被视为可信（如服务器证书验证）
+	 */
 	private TrustManager[] trustManagers;
+
+	/**
+	 * 安全随机数生成器，用于生成加密操作所需的高质量随机数
+	 * 影响密钥生成、握手过程等安全性关键环节
+	 */
 	private SecureRandom secureRandom;
+
+	/**
+	 * 安全提供者，指定底层加密算法的实现提供者
+	 * 如 Bouncy Castle、SunJSSE 等，影响可用算法和性能
+	 */
 	private Provider provider;