package com.inmind.array01; public class Demo02 { public static void main(String[] args) { //定义一个整数变量 int i = 10; System.out.println(i); //简写形式定义一个整数数组 int[] arr = {1, 2, 3}; int[] arr1 = {4, 5, 6}; System.out.println(arr[1]); System.out.println(arr1[2]); System.out.println(arr); System.out.println(arr1); arr = arr1; System.out.println(arr); System.out.println(arr1); } }