qq_39040695的博客

https://blog.youkuaiyun.com/zhzh402/article/details/79670509 import java.util.Arrays //导入包，均为静态方法 1.数组转字符串 //一维数组 int[] array = new int[]{1, 2, 3}; System.out.println(Arrays.toString(array)); //[1, 2, 3] //二维数组 int[][] deepArray = new int[][]{{1, 3},{2,

package com.cai; public class MultiThreadPrint { public static void main(String[] args) { Object o = new Object(); new Thread(new NumberPrintRunnable1(o)).start(); new Thread(new NumberPrintRunnable2(o)).start(); } } clas.