数组 求偶数

import java.util.Scanner;
public class Demo3{
    public static void main(String[] args) {
        int[] array = new int[5];
        Scanner scan = new Scanner(System.in);
        long sum = 0;
        for (int i=0;i<array.length;i++) {
            System.out.println("请输入第"+(i+1)+"数据");
            array[i] = scan.nextInt();
            if(i%2==0){
                sum += array[i];
            }
        }
        for (int num :array ) {
            System.out.print(num+" ");
        }
        System.out.println();
        System.out.println(sum);
        //定义10个元素的整数数组,键盘输入,求所有偶数下标的元素和
        

    }

}
原文地址:https://www.cnblogs.com/yangshuyuan1009/p/9831287.html