diff --git a/src/solution/test.java b/src/solution/test.java
index 0034e4b..c327824 100644
--- a/src/solution/test.java
+++ b/src/solution/test.java
@@ -1,11 +1,21 @@
 package solution;
 
 
+import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 public class test {
     public static void main(String[] args) {
-
+        int[] nums1 = new int[]{1,2,3,0,0,0};
+        int m = 3;
+        int[] nums2 = new int[]{2,5,6};
+        int n = 3;
+//        int[] nums1 = new int[]{1};
+//        int m = 1;
+//        int[] nums2 = new int[]{};
+//        int n = 0;
+        Solution.merge(nums1,m,nums2,n);
     }
 }