From d42d5c084a5573964ebfd9ee5225a14f3d534ec8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8D=A2=E4=BA=A8=E8=80=80?= <2640788668@qq.com>
Date: Thu, 11 May 2023 10:14:24 +0800
Subject: [PATCH] =?UTF-8?q?=E7=AC=AC=E5=8D=81=E5=9B=9B=E6=AC=A1=E4=BD=9C?=
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---
 .../try catch.md"                             | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 "21 \345\215\242\344\272\250\350\200\200/try catch.md"

diff --git "a/21 \345\215\242\344\272\250\350\200\200/try catch.md" "b/21 \345\215\242\344\272\250\350\200\200/try catch.md"
new file mode 100644
index 0000000..06d36d2
--- /dev/null
+++ "b/21 \345\215\242\344\272\250\350\200\200/try catch.md"	
@@ -0,0 +1,29 @@
+### 作业
+
+```java
+mport java.util.Scanner;
+
+public class Num {
+    public static void main(String[] args) {
+        Scanner sc=new Scanner(System.in);
+        System.out.println(aandb(sc));
+    }
+    public static int aandb(Scanner sc) {
+        while (true) {
+            try {
+                System.out.println("输入第一个数:");
+                int a = sc.nextInt();
+                System.out.println("输入第二个数:");
+                int b = sc.nextInt();
+                return a+b;
+            } catch (Exception e) {
+                System.out.println("输入整数");
+                sc.nextLine();
+            }
+
+        }
+
+    }
+}
+```
+
-- 
Gitee