contains-duplicate solution

Author: mintheon

contains-duplicate/mintheon.java

@@ -0,0 +1,13 @@
+import java.util.Arrays;
+
+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;
+  }
+}