多线程-面试题 

 1 package multithread4;
 2 
 3 
 4 /*
 5 class Test implements Runnable{
 6     public  void run(Thread t) {
 7         
 8     }
 9 }*/
10 //如果错误，错误发生在哪一行,错误在第一行，应该被abstract修饰 run方法没被覆盖，
11 public class ThreadTest {
12 
13     public static void main(String[] args) {
14         // TODO Auto-generated method stub
15         new Thread(new Runnable() {
16             
17             @Override
18             public void run() {
19                 System.out.println("runnable run");
20                 
21             }
22         }) {
23             public void run() {
24                 System.out.println("subThread run");//以子类为主 输出subThread run
25             }
26         }.start();
27         /*new Thread() {
28             public void run() {
29                 for (int x = 0; x < 50; x++) {
30                     System.out.println(Thread.currentThread().getName()+"x="+x);
31                 }
32             }
33         }.start();
34         
35         for (int x = 0; x < 50; x++) {
36             System.out.println("y="+x);
37         }
38         Runnable r = new Runnable() {
39             
40             @Override
41             public void run() {
42                 for (int x = 0; x < 50; x++) {
43                     System.out.println(Thread.currentThread().getName()+"z="+x);
44                 }                
45             }
46         };
47         new Thread(r).start();
48         */
49     }    
50 
51 }
ThreadTest

 

posted @ 2021-11-11 20:06  doremi429  阅读(19)  评论(0)    收藏  举报