diff --git a/codes/a1269771320/18927925.java b/codes/a1269771320/18927925.java
new file mode 100644
index 0000000000000000000000000000000000000000..88de9aa651bc49b47e298b800d7a4a0fc092d76a
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+++ b/codes/a1269771320/18927925.java
@@ -0,0 +1,18 @@
+/**
+ * 冒泡排序函数
+ * aa bb cc
+ * @param a 待排序的数组
+ * @param n 待排序的数组长度
+ */
+public static void bubbleSort(int [] a, int n){
+    // 你的代码,使无序数组 a 变得有序
+    for (int i = 0; i < n - 1; i++) {
+            for (int j = 0; j < n - i - 1; j++) {
+                if (a[j] > a[j + 1]) {
+                    int temp = a[j];
+                    a[j] = a[j + 1];
+                    a[j + 1] = temp;
+                }
+            }
+    }  
+} //end
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