From f658843b3709c9b56820b6074fc1485b63779c17 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Tue, 15 Sep 2026 15:14:22 +0800
Subject: [PATCH] =?UTF-8?q?day03--if=E8=AF=AD=E5=8F=A5-=E6=A0=BC=E5=BC=8F1?=
 =?UTF-8?q?=E8=AF=B4=E6=98=8E=E5=92=8C=E4=BD=BF=E7=94=A8?=
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---
 day03/src/com/inmind/if01/Demo01.java | 38 +++++++++++++++++++++++++++
 1 file changed, 38 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..63b6aef
--- /dev/null
+++ b/day03/src/com/inmind/if01/Demo01.java
@@ -0,0 +1,38 @@
+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) {
+        //判断下变量对应的值
+        int i = 11;
+        //判断变量i是否是指定的值，如果是则打印，否则就跳过不执行
+        if (i == 10) {
+            System.out.println("变量i的值是10");
+        }
+
+        //判断2个值谁大
+        int a = 20;
+        int b = 30;
+
+        /*int max = a>b?a:b;*/
+        if (a > b) {
+            System.out.println("a的变量值大："+a);
+        }
+
+        if (b > a) {
+            System.out.println("b的变量值大："+b);
+        }
+
+
+
+        System.out.println("程序结束");
+    }
+}