数组的拷贝

合集 - ArrayList(9)

1.数组的访问2023-05-282.数组的遍历2023-05-283.静态初始化和动态初始化2023-05-284.多个变量指向同一个数组对象2023-05-285.对数组的元素求和2023-05-286.评委打分/案例2023-05-287.删除指定数据2023-05-288.增删改查2023-05-28

9.数组的拷贝2023-05-28

收起

package com.Demo;
//数组的拷贝
public class Test5 {
    public static void main(String[] args) {
        int[] arr={11,22,33};
        int[] arr2=copy(arr);
        dayin(arr2);
    }
    public static void dayin(int[] arr){
        System.out.print("[");
        for (int i = 0; i < arr.length; i++) {
            System.out.print(i==arr.length-1?arr[i]:arr[i]+",");
        }
        System.out.println("]");
    }
    public static int[] copy(int[] arr){
        int[] arr2=new int[arr.length];
        for (int i = 0; i < arr.length; i++) {
            arr2[i]=arr[i];
        }
        return arr2;
    }
}