add 457

medium/457/Solution.java

@@ -0,0 +1,11 @@
+class Solution {
+    public boolean circularArrayLoop(int[] nums) {
+        return false;
+    }
+
+    public static void main(String[] args) {
+        Solution s = new Solution();
+        int[] n1 = {1, 2, 3, 4};
+        System.out.println(s.circularArrayLoop(n1));
+    }
+}