Create Solution.java (Tahanima#93)

Author: Maqsud131

Algorithms/Easy/217_ContainsDuplicate/Solution.java

@@ -0,0 +1,12 @@
+class Solution {
+    public boolean containsDuplicate(int[] nums) {
+        Arrays.sort(nums);
+        
+        for (int i = 1; i < nums.length; i++) {
+            if (nums[i] == nums[i - 1]) 
+                return true;
+        }
+        
+        return false;
+    }
+}