Two simple examples of Java multi-thread programming

/*** @ Author gao */package gao.org; public class RunnableDemo implements Runnable {@ Overridepublic void run () {// TODO Auto-generated method stubfor (int I = 0; I <10; I ++) {System. out. println ("new thread output:" + I) ;}} public static void main (String [] args) {Runnable runnable = new RunnableDemo (); // create the Runnable interface object Thread thread = new Thread (runnable); // use the object of the Runnable interface to create the Thread class Object thread. start (); // call the start method of the Thread class to start the new Thread for (int I = 0; I <10; I ++) {System. out. println ("main thread output:" + I );}}}

Main thread output: 0 main thread output: 1 main thread output: 2 new thread output: 0 main thread output: 3 new thread output: 1 main thread output: 4 new thread output: 2 main thread output: 5 new thread output: 3 main thread output: 6 new thread output: 4 main thread output: 7 new thread output: 5 main thread output: 8 new thread output: 6 main thread output: 9 new thread output: 7 new thread output: 8 new thread output: 9

Package gao.org; public class ThreadDemo extends Thread {public void run () {for (int I = 0; I <10; I ++) {System. out. println ("new thread output:" + I) ;}} public static void main (String [] args) {ThreadDemo thread = new ThreadDemo (); // create a Thread object. start (); // start the new thread for (int I = 0; I <10; I ++) {System. out. println ("main thread output:" + I );}}}

Main thread output: 0 main thread output: 1 main thread output: 2 main thread output: 3 main thread output: 4 main thread output: 5 main thread output: 6 main thread output: 7 main thread output: 8 main thread output: 9 new thread output: 0 New thread output: 1 new thread output: 2 new thread output: 3 new thread output: 4 new thread output: 5 new thread output: 6 new thread output: 7 new thread output: 8 new thread output: 9