Mandatory cloneable interface in Java

Question

I\'m having a small problem in Java. I have an interface called Modifiable. Objects implementing this interface are Modifiable.

I also have a ModifyCommand class (wi

Answer 1

What does your method signature for your clone method look like? For it to match the Clonable interface it would have to return an Object. If you're declaring it as returning a Modifiable then that could be the problem.