u014473378的专栏

package com.asia.sun.demo5; import java.util.Date; public class String02 { public static void main(String[] args) { //Java中对日期类的操作 Date date = new Date(); //对日期进行格式化 String year = String

package com.asia.sun.demo5; public class String01 { public static void main(String[] args) { // 连接字符串 String s1 = new String("hello"); String s2 = new String("world"); String s = s1 + " " +

public class ArraySort { public static void main(String[] args) { System.out.println("-------------------有关数组的排序方法-------------------------"); //创建一个数组 int arr[] = new int[]{23,99,8,34,134,9,1,

package com.asia.sun.demo6; import java.util.Arrays; public class Array01 { public static void main(String[] args) { System.out.println("-------------------定义一维数组------------------"); //定义一维数组