Method overloading in an interface
Hi ,
I Have an Interface that contains overloaded methods
Interface Interface1
void method1();
String method1(int i);
}I implement this Interface in a class ExampleClass
public class ExampleClass implements Interface1
void method1()
String method1(int i)
return 'str';
}Whenever i call the method method1(int) on ExampleClass, it throws the error java.lang.AbstractMethodError .
Please suggest me how to handle this .
Will Interface suypports method OverLoading .
Hi,
Whenever you are trying to implement a method from interface or class, the implemented method should have a access modifier greater than or equal to the original method.
In this case, both the methods in interface are public (by default).
So, your methods in your class should be public.
Regards,
Prad.
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Xing wrote:
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> >>
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> >>
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> >> Xing
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Using Observer pattern (java,util. Observable/Observer etc...)
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I agree designing for different client technologies is overkill unless it is a requirement, but the OP specifically mentions changing the UI's widgets while sticking to the same technology (Swing, for that matter).
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Did not mean to do so. My thrust was that regardless of #1 or #2, you can solve it with delegation. I believe this is the idea you describe below.
One has been discussed - namely, that the controller and view have to know intimate details about eachother. As you well described in reply #6, it is natural that they know a bit about eachother, but maybe not so much - otherwise what good is there to have two distinct classes?
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Edited by: jduprez on Aug 23, 2009 9:02 PM - formatting
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Thank you.Hi,
Here's an interface definition.
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