Update bubble.java

jnimit99 · web-flow · commit 35a4050b5efc · 2018-10-02T22:10:44.000+05:30
diff --git a/Sorting algorithms/bubble.java b/Sorting algorithms/bubble.java
@@ -1,3 +1,4 @@
+import java.util.*;
 class BubbleSort 
 { 
     void bubbleSort(int arr[]) 
