Arrays类的常用方法
1 package com.Demo; 2 3 import java.util.Arrays; 4 5 public class break2 { 6 public static void main(String[] args) { 7 int[] a = {12,13,25,16,18}; 8 int[] b = {12,20,24,26,15}; 9 System.out.println(Arrays.equals(a, b));//判断两数组的长度及元素是否相等 10 11 12 Arrays.sort(a); 13 System.out.println(Arrays.toString(a));//将数组a转换为字符串按升序排列输出 14 15 int[] c =Arrays.copyOf(a,3) ;//复制数组a,并转化为长度为3的数组c输出 16 System.out.println(Arrays.toString(c)); 17 18 19 } 20 }