Implementing two interfaces in a class with same method. Which interface method is overridden?
Two interfaces with same method names and signatures. But implemented by a single class then how the compiler will identify the which method … Read more
Two interfaces with same method names and signatures. But implemented by a single class then how the compiler will identify the which method … Read more
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 … Read more
There are already several Q&As on this “X does not implement Y (… method has a pointer receiver)” thing, but to me, they … Read more
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 … Read more
Java 8 introduces default methods to provide the ability to extend interfaces without the need to modify existing implementations. I wonder if it’s … Read more
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, … Read more
Please explain when I should use a PHP interface and when I should use an abstract class? How I can change my abstract … Read more
I am looking for a way to pass a method by reference. I understand that Java does not pass methods as parameters, however, … Read more