Create 31 May Swap two nibbles in a byte

Author: Chayandas07

31 May Swap two nibbles in a byte

@@ -0,0 +1,7 @@
+class Solution {
+  public:
+    int swapNibbles(int n) {
+        // code here
+        return (((n&15)<<4)|(n>>4));
+    }
+};