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Java Class Q&A » interface » Super 

1. Using @Override with a super interface    stackoverflow.com

The issue concerns the @Override annotation and super interfaces. It's a simple as it gets really the problem is that the @Override annotation is not scoped up to the upper interfaces ... Here ...

2. adding interfaces to a superclass/subclass relationship    coderanch.com

I'm just trying to get my head around the following... Suppose class B extends class A. Suppose also that class A implements interface I. So I can be used as a reference type for an object of class A. From my research it seems that this property does not extend to B. If we want to use an I reference type ...

3. access method from super interface    forums.oracle.com

A few problems, 1) you have dupicate class names, so you don't have any way to distinguish which class you refer to. 2) You don't ever call the methodInMainClass() method, so it won't be run. Other than that, no, you can't call interface1 methods on an interface 2 reference. Since none of your classes implement both interfaces, it's not possible to ...

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