Q: – Can we create an object for an interface?
Yes
Q: – Is it is necessary to implement all methods in an interface?
Yes
Q: – How this() is used with constructors?
this() is used to invoke a constructor of the same class.
Q: – Is it possible to use few methods of an interface in a class ? If so, how?
Yes. Declare the class as abstract.
Q: – What are the possible access modifiers when implementing interface methods?
public
Q: – What modifiers are allowed for methods in an Interface?
public
abstract
Q: – How do you achieve multiple inheritances in Java?
We canuse interfaces.
Q: – How super() used with constructors?
super() is used to invoke a super class constructor
Q: – What is an abstract class?
Abstract classes are classes that contain one or more abstract methods. An abstract method is a method that is declared, but contains no implementation.
Submitted By:-Ankur Jain Email-ID: – ankurjain548@gmail.com
