Java 线程的生命周期完整实例分析

/*** @Title: ThreadStatus.java* @Description: TODO(演示线程的生命状态)*/import java.util.concurrent.locks.Lock;import java.util.concurrent.locks.ReentrantLock;import java.util.concurrent.TimeUnit;public class ThreadStatus{  private static Lock lock = new ReentrantLock();  public static void main(String[] args)  {    new Thread(new TimeWaiting(), "TimeWaitingThread").start();    new Thread(new Waiting(), "WaitingThread").start();    // 使用两个Blocked线程，一个获取锁，一个被阻塞    new Thread(new Blocked(), "BThread-1").start();    new Thread(new Blocked(), "BThread-2").start();    new Thread(new Sync(), "SyncThread-1").start();    new Thread(new Sync(), "SyncThread-2").start();  }  //该线程不断地进入随眠  static class TimeWaiting implements Runnable  {    public void run() {      while (true)      {        try {          TimeUnit.SECONDS.sleep(5);          System.out.println("I am TimeWaiting Thread: "+ Thread.currentThread().getName());        } catch (InterruptedException e) { }      }    }  }  //该线程在Waiting.class实例上等待  static class Waiting implements Runnable  {    public void run( )    {      while (true)      {        synchronized (Waiting.class)        {          try {            System.out.println("I am Waiting Thread: "+ Thread.currentThread().getName());            Waiting.class.wait( );          } catch (InterruptedException e) {            e.printStackTrace( );          }        }      }    }  }  //该线程在Blocked.class实例上加锁后，不会释放该锁  static class Blocked implements Runnable  {    public void run( )    {      synchronized (Blocked.class)      {        while (true)        {          try {            System.out.println("I am Blocked Thread: "+ Thread.currentThread().getName());            TimeUnit.SECONDS.sleep(5);          } catch (InterruptedException e) {}        }      }    }  }  //该线程用于同步锁  static class Sync implements Runnable  {    public void run( ) {      lock.lock( );      try {        System.out.println("I am Sync Thread: "+ Thread.currentThread().getName());        TimeUnit.SECONDS.sleep(5);      } catch (InterruptedException e) { }      finally {        lock.unlock();      }    }  }}