Void value as return parameter

Question

I have this interface:

public interface Command {
    T execute(String... args);
}

it works fine for most uses. But when I try to mode

Answer 1

I would stick to using Void explicitly. It's easy to see what is going on without another class involved. It'd be nice if you could override a Void return with void (and Integer with int, etc), but that is not a priority.