@Test
    public void staticTest(){

        System.out.println("max:"+Thread.MAX_PRIORITY);
        System.out.println("norm:"+Thread.NORM_PRIORITY);
        System.out.println("min:"+Thread.MIN_PRIORITY);
    }

 @Test
    public void conTest(){

        //空构造
       Thread thread=new Thread();

        //传入名称 
        Thread thread1=new Thread("自定义线程");

        //传入Runnable

        Thread thread2=new Thread(new MyRunnable());
        //4 传入Runnable 和name


        Thread thread3=new Thread(new MyRunnable(),"自定义Runnable接口");
    }

@Test
    public void nameTest() throws Exception{

        NameThread nameThread=new NameThread();

        Thread thread1=new Thread(nameThread);

        //默认的为 Thread-接下来的数据， 从0开始。

        Thread thread2=new Thread(nameThread,"自定义线程");

        Thread thread3=new Thread(nameThread);

        Thread thread4=new Thread(nameThread,"两个蝴蝶飞，你好");
        thread1.start();

        thread2.start();
        thread3.start();

        thread4.start();
        
        // main,  main方法也是一个线程

        System.out.println("当前线程的名称:"+Thread.currentThread().getName());
    }

    class NameThread implements  Runnable{

        @Override
        public void run() {
            for(int i=0;i<5;i++){
                System.out.println("当前线程:"+Thread.currentThread().getName()+"正在运行，输出:"+i);
            }
        }
    }

  @Test
    public void readMainTest() throws Exception{

        //1. 获取当前的主线程

        Thread thread=Thread.currentThread();

        System.out.println("当前线程的名称:"+thread.getName());

        System.out.println("获取标识符 id:"+thread.getId());

        System.out.println("获取优先级:"+thread.getPriority());

        System.out.println("获取状态:"+thread.getState());

        System.out.println("当前线程是否还活着:"+thread.isAlive());

        System.out.println("是否被中断:"+thread.isInterrupted());

        System.out.println("是否是守护线程:"+thread.isDaemon());

        //可以手动设置名称和优先级

        thread.setName("手动设置名称");

        thread.setPriority(Thread.MAX_PRIORITY);

        System.out.println("当前线程的名称:"+thread.getName());

        System.out.println("获取优先级:"+thread.getPriority());

        //设置守护线程，必须要在线程运行之前进行设置  

    }

    @Test
    public void readNoTest() throws Exception{

        ReadRunnable readRunnable=new ReadRunnable();

        Thread thread=new Thread(readRunnable);

        thread.start();

    }

    class ReadRunnable implements  Runnable{
        @Override
        public void run() {
            Thread thread=Thread.currentThread();

            System.out.println("当前线程的名称:"+thread.getName());

            System.out.println("获取标识符 id:"+thread.getId());

            System.out.println("获取优先级:"+thread.getPriority());

            System.out.println("获取状态:"+thread.getState());

            System.out.println("当前线程是否还活着:"+thread.isAlive());

            System.out.println("是否被中断:"+thread.isInterrupted());

            System.out.println("是否是守护线程:"+thread.isDaemon());

            //可以手动设置名称和优先级

            thread.setName("手动设置名称");

            thread.setPriority(Thread.MAX_PRIORITY);
            

            System.out.println("当前线程的名称:"+thread.getName());

            System.out.println("获取优先级:"+thread.getPriority());

        }
    }