diff --git a/codes/foxglove/20291402.java b/codes/foxglove/20291402.java
new file mode 100644
index 0000000000000000000000000000000000000000..fec655705f23a5a5723c9e1acd5eeba846dcfdcc
--- /dev/null
+++ b/codes/foxglove/20291402.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 - 1 - i; j++){
+            if (a[j] > a[j + 1]){
+                int temp = a[j];
+                a[j] = a[j + 1];
+                a[j + 1] = temp;
+            }
+        }
+    }
+} //end