摘要：
1 package com.vince; 2 3 public class ThreadDemo1 { 4 public static void main(String[] args){ 5 MyThread mt = new MyThread(); 6 //推荐： 7 MyRunnable mr 阅读全文
摘要：
1 package com.vince; 2 3 import java.util.Arrays; 4 5 public class StringDemo2 { 6 7 public static void main(String[] args) { 8 9 String str = " fkwef 阅读全文