Revert "correction made"

This reverts commit bd97309a1eafd3b3bbd2474cafab05c32332c42d.
Revert "Revert "correction made""

This reverts commit 6ffa9bc6b2225d468c68fb9614b69b1a7040a464.
Revert "Revert "Revert "A class can implement more than one interface"""

This reverts commit 78ec3443006d3de46fbf9069bbd979a587bd4ba6.