diff --git a/3 Sum/JavaSolution3Sum.java b/3 Sum/JavaSolution3Sum.java
new file mode 100644
index 0000000..6ee3cf1
--- /dev/null
+++ b/3 Sum/JavaSolution3Sum.java	
@@ -0,0 +1,19 @@
+class Solution {
+    public List<List<Integer>> threeSum(int[] nums) {
+        Set<List<Integer>> res  = new HashSet<>();
+        if(nums.length==0) return new ArrayList<>(res);
+        Arrays.sort(nums);
+        for(int i=0; i<nums.length-2;i++){
+            int j =i+1;
+           int  k = nums.length-1;
+            while(j<k){
+                int sum = nums[i]+nums[j]+nums[k];
+                if(sum==0)res.add(Arrays.asList(nums[i],nums[j++],nums[k--]));
+                else if ( sum >0) k--;
+                else if (sum<0) j++;
+            }
+
+        }
+        return new ArrayList<>(res);
+    }
+}