diff --git a/codes/oneArbor/.java b/codes/oneArbor/.java
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/codes/oneArbor/18898320.java b/codes/oneArbor/18898320.java
new file mode 100644
index 0000000000000000000000000000000000000000..d96ec084c1fdf601b1731b41967929256a16c7ba
--- /dev/null
+++ b/codes/oneArbor/18898320.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){
+   for(int i = 0 ; i < n ; i ++){
+   	for(int j = n - 1 ; j > i ; j --){
+		if(a[j] < a[j - 1]){
+			int temp = a[j];
+			a[j] = a[j - 1];
+			a[j - 1] = temp;
+		}
+	}
+   }
+
+} //end