B
A. eg: public interface myinterface {void a();void b(); } public abstract class myclass : myinterface {public void a(){///do something}public abstract void b(); // keep this abstract and then implement it in child class }
B. A class cannot implement an interface partially. The modifier 'static' is not valid in interface so there is no possibility for option D
Option B, Option D are correct
Option A, Option D are correct
A
B is correct, because the interface become abstract class only when all its methods is declared are abstract.
Abstract Class
B. A class cannot implement an interface partially.
B.. class can not implement an interface partially.
Ans:A