Two interfaces with same method names and signatures. But implemented by a single class then how the compiler will identify the which method is for which interface? Ex: interface...
What is an “abstract class” in Java? 14 Answers 14
The reason for interfaces truly eludes me. From what I understand, it is kind of a work around for the non-existent multi-inheritance which doesn’t exist in C# (or so...
There are already several Q&As on this “X does not implement Y (… method has a pointer receiver)” thing, but to me, they seems to be talking about different...
Why are interface variables static and final by default in Java? 15 Answers 15
Should methods in a Java interface be declared with or without the public access modifier? Technically it doesn’t matter, of course. A class method that implements an interface is...
Java 8 introduces default methods to provide the ability to extend interfaces without the need to modify existing implementations. I wonder if it’s possible to explicitly invoke the default...
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question...
Please explain when I should use a PHP interface and when I should use an abstract class? How I can change my abstract class in to an interface? 11...
I am looking for a way to pass a method by reference. I understand that Java does not pass methods as parameters, however, I would like to get an...