Java 进阶多线程(一)

public class  MyRunnable  implements  Runnable{ 
    @Override
    public  void  run()  { 
        for (int i = 0; i < 10; i++) { 
            System.out.println("Runnable "+Thread.currentThread().getName()+" ===>> "+i);
        }
    }
}

public class ClassStructure { 
    public  static  void  main(String[] args){ 
        MyRunnable myRunnable = new MyRunnable();
        //分配一个带有指定目标新的线程对象
        Thread thread = new Thread(myRunnable);
        //获取当前线程名称
        String name = thread.getName();
        System.out.println("当前名称-1："+name);
        //设置新的名称
        thread.setName("Thread-1-新");
        String newName = thread.getName();
        System.out.println("当前名称-1："+ newName);
        //启动多线程
        thread.start();

        MyRunnable mr = new MyRunnable();
        //分配一个带有指定目标新的线程对象并指定名称
        Thread td = new Thread(mr,"指定名称：");
        String strName = td.getName();
        System.out.println("当前名称-2："+ strName);
        td.start();
    }
}

public class ClassStructure { 
    public  static  void  main(String[] args){ 
        Thread thread = new Thread();
        String name = thread.getName();
        System.out.println(name);

        thread.setName("线程1");
        String nameNew = thread.getName();
        System.out.println(nameNew);
    }
}

public class  MyThread  extends  Thread  { 
    public MyThread(String name) { 
        super(name);
    }

    @Override
    public void run() { 
        super.run();
        for (int i = 0; i < 10; i++) { 
            //获得当前正在执行的线程对象
            Thread td = Thread.currentThread();
            //获取当前线程名称
            System.out.println(td.getName() + i);
        }
    }
}

public class  MyThread  extends  Thread  { 
    public MyThread(String name) { 
        super(name);
    }

    @Override
    public void run() { 
        super.run();
        for (int i = 0; i < 10; i++) { 
            //获得当前正在执行的线程对象
            Thread td = Thread.currentThread();
            //获取当前线程名称
            System.out.println(td.getName() + i);

        }
    }
}

public class ClassStructure { 
    public  static  void  main(String[] args)  throws  InterruptedException  { 
        MyRunnable mr = new MyRunnable();
        //分配一个带有指定目标新的线程对象并指定名称
        Thread td = new Thread(mr,"指定名称：");
        String strName = td.getName();
        System.out.println("当前名称-2："+ strName);
        System.out.println(System.currentTimeMillis());
        //暂停3秒
        Thread.sleep(3000);
        System.out.println(System.currentTimeMillis());
        td.start();
    }
}

synchronized(同步锁对象)  { 
  操作共享资源的代码(核心代码)  }

修饰符 synchronized 返回值类型 方法名称(形参列表) { 
  操作共享资源的代码
}