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dcrenl/java 多线程.html

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+<pre class="language-java"><code>    public  void  main()
+    {
+        Runnable runnable = new ShareVariableRunnable();
+        Thread[] threads = new Thread[3];
+        for (int i = 0; i &lt; 3; i++) {
+            threads[i] = new Thread(runnable, "RandomThread:" + i);
+        }
+        for (Thread thread : threads) {
+            thread.start();
+        }
+        while (threads[0].isAlive() || threads[1].isAlive() || threads[2].isAlive()) {
+            try {
+                Thread.sleep(100);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        }
+        System.out.println("线程1、2、3结束");
+    }
+
+    class ShareVariableRunnable implements Runnable {
+
+        public int state = 0;
+        private int count = 100;
+        private int curr = 0;
+
+        @SneakyThrows
+        @Override
+        public void run() {
+            int currThread = 0;
+            synchronized (this) {
+                currThread = curr;
+                curr += 10;
+
+            }
+            for (int i = 0; i &lt; 10; i++) {
+                Thread.sleep(200);
+                System.out.println("" + Thread.currentThread().getName() + ",count:" + currThread++);
+            }
+            if (curr &lt; count) {
+                run();
+            } else {
+                state = 1;
+            }
+        }
+    }</code></pre>