From e35b8e59338f4da862757b65e8103606fb518076 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Wed, 14 Jan 2026 15:55:24 +0800
Subject: [PATCH] =?UTF-8?q?day03-=E6=B5=81=E7=A8=8B=E6=8E=A7=E5=88=B6?=
 =?UTF-8?q?=E8=AF=AD=E5=8F=A5-=E5=88=A4=E6=96=AD=E6=B5=81=E7=A8=8B-if?=
 =?UTF-8?q?=E6=A0=BC=E5=BC=8F=E4=B8=80?=
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---
 day03/src/com/inmind/if01/Demo01.java | 43 +++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 day03/src/com/inmind/if01/Demo01.java

diff --git a/day03/src/com/inmind/if01/Demo01.java b/day03/src/com/inmind/if01/Demo01.java
new file mode 100644
index 0000000..fc1c66a
--- /dev/null
+++ b/day03/src/com/inmind/if01/Demo01.java
@@ -0,0 +1,43 @@
+package com.inmind.if01;
+/*
+if格式一：
+
+if(判断条件){
+	语句；
+}
+
+执行顺序：先执行判断条件，判断条件必须是布尔型的结果，
+			如果为true，就执行大括号内部的语句，false就直接跳过大括号中的内容
+*/
+public class Demo01 {
+
+
+    public static void main(String[] args) {
+        //请大家使用if格式一，打印出哪个整数变量大
+        int a = 10;
+        int b = 20;
+        if(a > b){
+            System.out.println("变量a的值大，为"+a);
+        }
+
+        if(b > a){
+            System.out.println("变量b的值大，为"+b);
+        }
+        System.out.println("程序结束");
+
+    }
+
+    //抽取为一个if的格式一的方法
+    public static void ifMethod1() {
+        int i = 100;
+        //如果i的值大于10，我就打印一次helloworld，如果不满足条件则不打印
+        if(i > 10){
+            System.out.println("helloworld");
+        }
+
+        System.out.println("程序结束");
+    }
+
+}
+
+