Arrays常用方法

package com.javaming.study.easyexcel.controller;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class arraysUtilsUse {
    public static void main(String[] args) {

        int[] int1 = {1, 2, 3};
        int[] int2 = {1, 2, 3};
        int[] int4 = {5, 2, 33, 435, 2342, 234, 435, 6756, 867, 345, 67, 567};

        List list = new ArrayList<>();
        list.add("ww");

        List list2 = new ArrayList<>();
        list2.add("ww");

        //元素比较
        boolean b = Arrays.equals(int1, int2);


        //元素比较
        boolean equals = Arrays.equals(list.toArray(), list2.toArray());

        //查找元素下标
        int i = Arrays.binarySearch(int4, 435);

        //元素排序
        Arrays.sort(int4);

        System.out.println(i);

        //数组转String
        System.out.println(Arrays.toString(int4));

        String s = Arrays.toString(list.toArray());

        System.out.println(Arrays.toString(int4));
        
        System.out.println(s);
        System.out.println(b);
        System.out.println(equals);
    }
}

6
[2, 5, 33, 67, 234, 345, 435, 435, 567, 867, 2342, 6756]
[2, 5, 33, 67, 234, 345, 435, 435, 567, 867, 2342, 6756]
[ww]
true
true