@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());
        }
    }