From d2d1867d378b78220ad5b9ea98148cf5a3fbf0b2 Mon Sep 17 00:00:00 2001
From: 644914a16180332c2cd69666 <644914a16180332c2cd69666@devide>
Date: Wed, 26 Apr 2023 12:18:11 +0000
Subject: [PATCH] Auto commit

---
 Main.java | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/Main.java b/Main.java
index 1a68b2d..f185b39 100644
--- a/Main.java
+++ b/Main.java
@@ -1,5 +1,20 @@
+import javax.swing.text.Element;
+import javax.swing.text.DefaultStyledDocument.ElementSpec;
+
 class Main {
   public static void main(String[] args) {
-    System.out.println("Hello world!");
+    //关于分支结构的一种例题:if elseif的Demo
+    double price = 300;
+    if(price>=2000){
+      price*=0.5;
+    }else if(price>=1000){
+      price*=0.7;
+    }else if(price>=500){
+      price*=0.8;
+    }else {
+      price*=0.9;
+    }
+    System.out.println("最终的消费金额为"+price);
+    
   }
 }
\ No newline at end of file
-- 
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