创建线程的几种方法

Thread thread = new Thread(){ 
            @Override
            public void run() {
                while(true){
                    try {
                        Thread.sleep(500);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                    System.out.println("1---->" + Thread.currentThread().getName());
                }
            }
            
        };
        thread.start();

/**
         * 第二种通过Runnable接口创建
         */
        Thread thread2 = new Thread(new Runnable(){
            @Override
            public void run() { 
                while(true){
                    try {
                        Thread.sleep(500);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                    System.out.println("2---->" +Thread.currentThread().getName());
                }   
            }
             
        });
        thread2.start();

/**
         * 第三種 通過Thread子類創建和通過Runnable创建
         * 两种方式并存的时候系统会调用实现子类的run的那个线程，会把实现接口的那个线程覆盖，和面向对象的重写思路一样。
         */
        new Thread(new Runnable(){
            //Thread子类创建
            @Override
            public void run() {
                while(true){
                    try {
                        Thread.sleep(500);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                    System.out.println("Runnable接口创建---->" +Thread.currentThread().getName());
                }
            }
             
        }){
 
            //Runnable接口创建
            @Override
            public void run() {
                while(true){
                    try {
                        Thread.sleep(500);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                    System.out.println("Thread子类创建---->" +Thread.currentThread().getName());
                }
            }
             
        }.start();