diff --git a/codes/zhaohaidong/9790680.java b/codes/zhaohaidong/9790680.java
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index 0000000000000000000000000000000000000000..6189538278ab9ee34dfa4e25ce20812269146ef0
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+++ b/codes/zhaohaidong/9790680.java
@@ -0,0 +1,40 @@
+package com.activity-school.codes.zhaohaidong;
+
+/**
+ * @program: activity-school
+ * @description: 一个冒泡排序函数
+ * @version: 1.0
+ * @author: zhaohaidong
+ * @create: 2022-09-29 16:26
+ */
+public class 9790680 {
+
+    public static void main(String[] args) {
+        int[] a = {21, 2312, 43, 76, 321, 9, 0, 31, 291, 25, 18, 304, 402};
+        bubbleSort(a);
+        for (int i = 0; i < a.length; i++) {
+            System.out.print(a[i]);
+            System.out.print(" ");
+        }
+    }
+
+    /**
+     * 冒泡排序函数
+     *
+     * @param a 原始无序数组
+     */
+    public static void bubbleSort(int[] a) {
+        int n = a.length;
+        for (int i = 0; i < n; i++) {
+            for (int j = 1; j < n - i; j++) {
+                if (a[j - 1] > a[j]) {
+                    int t = a[j - 1];
+                    a[j - 1] = a[j];
+                    a[j] = t;
+                }
+            }
+        }
+    }
+
+}
+