From 719c8487169bc10a1b8eae048ffecfb0a7d4b9ce Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Wed, 24 Dec 2025 16:13:12 +0800
Subject: [PATCH] =?UTF-8?q?day03-.while=E5=BE=AA=E7=8E=AF=E7=9A=84?=
 =?UTF-8?q?=E8=AF=AD=E6=B3=95&=E7=BB=83=E4=B9=A0?=
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---
 day03/src/com/inmind/Demo04_while.java | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/day03/src/com/inmind/Demo04_while.java b/day03/src/com/inmind/Demo04_while.java
index 71a8158..ec83280 100644
--- a/day03/src/com/inmind/Demo04_while.java
+++ b/day03/src/com/inmind/Demo04_while.java
@@ -13,6 +13,20 @@ while(循环条件②){
 public class Demo04_while {
     public static void main(String[] args) {
         //使用while的语法，计算出1~100的偶数累和
+        //定义一个变量记录总和
+        int sum = 0;
+        //循环变量的定义
+        int i = 1;
+        while (i <= 100) {
+            //判断是否是偶数
+            if (i % 2 == 0) {
+                sum += i;
+            }
+            //修改循环变量
+            i++;
+        }
+        System.out.println("结果为："+sum);
+        System.out.println("程序结束");
     }