diff --git "a/29 \350\267\257\347\216\262/20230511 \345\274\202\347\261\273.md" "b/29 \350\267\257\347\216\262/20230511 \345\274\202\347\261\273.md"
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index 0000000000000000000000000000000000000000..6b2cac0a7f84879ad1ae96059a7d7760544b2bad
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+++ "b/29 \350\267\257\347\216\262/20230511 \345\274\202\347\261\273.md"	
@@ -0,0 +1,28 @@
+```java
+import java.util.Scanner;
+
+public class Annier {
+    //让用户输入两个整数，求和
+    //用户可能会输入非整数的值，比如字符串，小数
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("请输入一个整数");
+        int a=sc.nextInt();
+        System.out.println("请输入一个整数");
+        int b=sc.nextInt();
+        while (true){
+            try {
+               int a1=Integer.bitCount(a);
+               int b1=Integer.bitCount(b);
+                System.out.println("和为"+(a+b));
+                  break;
+            } catch (NumberFormatException e) {
+                System.out.println("输入错误，请输入一个整数！！！");
+            }
+
+
+        }
+
+    }
+```
+