From 6bc3e9dba0030b4ed661a30b793c1d5f10fcf668 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=91=A3=E5=BA=86=E5=BC=BA?= <dqq20031021@qq.com>
Date: Wed, 10 May 2023 21:18:38 +0800
Subject: [PATCH] =?UTF-8?q?=E5=BC=82=E5=B8=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../20230510\345\274\202\345\270\270.md"      | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 "17 \350\221\243\345\272\206\345\274\272/20230510\345\274\202\345\270\270.md"

diff --git "a/17 \350\221\243\345\272\206\345\274\272/20230510\345\274\202\345\270\270.md" "b/17 \350\221\243\345\272\206\345\274\272/20230510\345\274\202\345\270\270.md"
new file mode 100644
index 0000000..87b07fd
--- /dev/null
+++ "b/17 \350\221\243\345\272\206\345\274\272/20230510\345\274\202\345\270\270.md"	
@@ -0,0 +1,24 @@
+```java
+import java.util.Scanner;
+
+public class Dqq {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        while (true) {
+            System.out.println("请输入金额：");
+            try {
+                double money = sc.nextDouble();
+                if (money>=0){
+                    System.out.println("你输入的金额是："+money);
+                    break;
+                }else{
+                    System.out.println("金额不能负数：");
+                }
+            } catch (Exception e) {
+                System.out.println("你输入的内容有误");
+                sc.next();
+            }
+        }
+    }
+}
+```
-- 
Gitee