java的数组操作和C#是一样的,不多说明。
public class ArrayDemo{ public static void main(String[] args){ //数组的定义 数据类型[] 数组名 = new 数据类型[数组个数] //第一种 int[] arrInt0 = new int[5]; System.out.println(arrInt0.length);//打印出数组的个数 //第二种 int[] arrInt1 = new int[]{1, 2, 3}; System.out.println(arrInt1.length); //第三种 int[] arrInt2 = {1, 2, 4, 6}; System.out.println(arrInt2.length); //======================================================= //数组的取值 int num = arrInt0[2]; System.out.println(num); //======================================================= //数组的赋值 arrInt0[2] = 8; System.out.println(arrInt0[2]); } }