Java way of threads created.

Method to realize

1. To achieve a thread through inheritance Thread class.
2. Implement a thread by implementing Runnable interface
3. Create a thread by thread pool.

Note:
Inheritance expansion is not strong, java total support single inheritance, if a class inherits Thread can not inherit other classes.

How to start?

Inheritance simple to start:

package com.cs.Thread_Test;

public class MyThread extends Thread{
    @Override
    public void run() {
        super.run();

        System.out.println("run方法执行了：OK");
    }
}

class demoTest{
    public static void main(String[] args) {
        MyThread myThread = new MyThread();
        //调用start()方法
        myThread.start();
        
        //地二种调用
 		//Thread thread1 = new Thread(new MyThread());
        // thread1.start();
		
		//第三种 实现Runnable接口
		Thread thread = new Thread(new Runnable() {
            public void run() {
                System.out.println("runnable 执行了");
            }
        });
        
        thread.start();
    }
}

start method to start the thread () method, which is called after a successful start run method.

How to distinguish between a thread?

If I have a lot of threads in a system, each thread will print the log, how do I want to distinguish between the thread printed?
Just give the thread sets a thread name? setName ( ""); this is a norm, after the creation, to set the name