package com.company;//计算1+1/2+1/3+1/4....前20项public class Main {public static void main(String arg[]) {double sum = 0, item = 1;int i = 1, n = 20;while (i <= n) { sum += item; i++; item = 1.0 / i; } System.out.println("sum=" + sum); } }
package com.company;//计算1+1/2+1/3+1/4....前20项public class Main {public static void main(String arg[]) {double sum = 0, item = 1;int i = 1, n = 20;while (i <= n) { sum += item; i++; item = 1.0 / i; } System.out.println("sum=" + sum); } }
上一篇:习题7-1 选择法排序
1、正负号如何切换2、用浮点型去计算
举报文章
请选择举报类型
补充说明
0/200
上传截图
格式支持JPEG/PNG/JPG,图片不超过1.9M