多线程之线程的实现

 1 public class Demo8 {
 2 
 3     public static void main(String[] args) {
 4         Mytext mytext=new Mytext();
 5         mytext.start();
 6 
 7     }    
 8 
 9 }
10 class Mytext extends Thread {
11     @Override
12     public void run() {
13         System.out.println("继承Thread");
14     }
15 }

 1 public class Demo9 {
 2 
 3     public static void main(String[] args) {
 4         Mytext1 mytext1=new Mytext1();
 5         Thread thread=new Thread(mytext1);
 6         thread.start();
 7         
 8     }
 9 
10 }
11 class Mytext1 implements Runnable{
12 
13     @Override
14     public void run() {
15         System.out.println("实现Runnable接口");
16         
17     }
18     
19 }