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

B is correct, because the interface become abstract class only when all its methods is declared are abstract.

Abstract Class

B

B. A class cannot implement an interface partially.

B.. class can not implement an interface partially.

Option A, Option D are correct

Ans:A