diff --git a/duplicateZeros.java b/duplicateZeros.java
new file mode 100644
index 000000000..004fdd691
--- /dev/null
+++ b/duplicateZeros.java
@@ -0,0 +1,20 @@
+class Solution {
+    public void duplicateZeros(int[] arr) {
+       
+        ArrayList<Integer>list=new ArrayList();
+        for(int i=0;i<arr.length;i++){
+            if(arr[i]==0){
+                list.add(0);
+                list.add(0);
+            }
+            else{
+                list.add(arr[i]);
+            }
+        }
+         
+         for(int i=0;i<arr.length;i++){
+            arr[i]=list.get(i);
+         }
+      
+    }
+}