From de4c67712d8e5f2f0422944f35de714708bad632 Mon Sep 17 00:00:00 2001 From: xuxin <840198532@qq.com> Date: Thu, 17 Sep 2026 11:10:05 +0800 Subject: [PATCH] =?UTF-8?q?day03--=E5=BE=AA=E7=8E=AF=E6=B5=81=E7=A8=8B-for?= =?UTF-8?q?=E5=BE=AA=E7=8E=AF=5F=E5=81=B6=E6=95=B0=E7=B4=AF=E5=92=8C?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- day03/src/com/inmind/for03/Test06.java | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 day03/src/com/inmind/for03/Test06.java diff --git a/day03/src/com/inmind/for03/Test06.java b/day03/src/com/inmind/for03/Test06.java new file mode 100644 index 0000000..95597dc --- /dev/null +++ b/day03/src/com/inmind/for03/Test06.java @@ -0,0 +1,26 @@ +package com.inmind.for03; +/* +使用for循环,计算1-100之间的偶数和 +分析: +1:1~100 循环(for) +2:循环语句中,判断是否是偶数(%2 == 0),才相加(if) +3:定义一个变量,不停地累加偶数,最终输出结果(sum = sum+每个偶数) + */ +public class Test06 { + public static void main(String[] args) { + //分析: + //1:1~100 循环(for) + int sum = 0;//3.定义一个变量,不停地累加偶数,最终输出结果(sum = sum+每个偶数) + for (int i = 1; i < 101; i++) { + //2:循环语句中,判断是否是偶数(%2 == 0),才相加(if) + if (i%2 == 0){ +// sum = sum +i; + sum += i; + System.out.println(i); + } + } + //循环结束输出结果 + System.out.println(sum); + + } +}