Java学习之多个数组指向相同

package com.itheima_02;
/*
  多个数组指向相同
 */
public class ArrayTest03 {
    public static void main(String[] args){
        //定义一个数组
        int[] arr = new int[3];
        arr[0] = 100;
        arr[1] = 200;
        arr[2] = 300;
        System.out.println(arr);
        System.out.println(arr[0]);
        System.out.println(arr[1]);
        System.out.println(arr[2]);

        //定义第二个数组指向第一个数组
        int[] arr2 = arr;
        arr2[0] =  111;
        arr2[1] =  222;
        arr2[2] =  333;
        //输出两个数组的名及元素
        System.out.println(arr);
        System.out.println(arr[0]);
        System.out.println(arr2);
        System.out.println(arr2[0]);
    }
}