Create Missing Number

Author: HarryWangATX

Missing Number

@@ -0,0 +1,16 @@
+import java.util.Arrays;
+
+class Solution {
+    public int missingNumber(int[] nums) {
+        
+        Arrays.sort(nums);
+
+        for(int i = 0; i<nums.length;i++){
+            if(nums[i] != i){
+                return i;
+            }
+        }
+        
+        return nums.length;
+    }
+}