> public interface AQuestion
> {
[quoted text clipped - 5 lines]
> (1) problem is, it has an abstract method and hecne its complicated
> to implement this class.
All interface methods are automatically public and abstract, so the
modifiers are redundant. This interface is exactly the same as:
public interface AQuestion
{
void someMethod() throws Exception;
}
> (2) another problem is, it is the public interface and hence we can not
> make one more public class in the same file....because 1 file can have
> only 1 public access specifier.
So put it in another file.
> is it really possible to implement this interface ?
Yes.
Dan.

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Daniel Dyer
http://www.dandyer.co.uk