package com.fqs.test; public class hello { public static void main(String[] args) { //定义一个数组,存储12345 求和 int []arr={1,2,3,4,5}; int sum=0; for(int i=0;i<arr.length;i++){ sum=sum+arr[i]; } System.out.println("sum:"+sum); } }
package com.fqs.test; public class hello { public static void main(String[] args) { //定义一个数组,存储12345 求和 int []arr={1,2,3,4,5}; int sum=0; for(int i=0;i<arr.length;i++){ sum=sum+arr[i]; } System.out.println("sum:"+sum); } }