diff between Abstract class Interfaces?

Answers were Sorted based on User's Feedback



diff between Abstract class Interfaces?..

Answer / anu mehra

abstract classes contain
1)abstract as well as non abstract method
2) to inherit we use extends keyword

Interface
1) all methods are abstract ,public and static
2) all variables are public , static and final
3) to inherit we use implements keyword
4) interface can extend another interface

Is This Answer Correct ?    3 Yes 0 No

diff between Abstract class Interfaces?..

Answer / pramod kumar sharma

abstract class contains the at list one abstract methods and abstract methods contain the only declaration but no definition.

interface contain all methods abstract methods only.

Is This Answer Correct ?    2 Yes 2 No

diff between Abstract class Interfaces?..

Answer / dhanya

Any class with one or more abstract method is called an abstract class.It can have data attributes,concrete methods and constructors.Abstract class can differ the implementation
by declaring the method to be abstract,and a Java interface declares only the contract and no implementation.All methods declared in interface are public and abstract.All attributes are public,static and final.

Is This Answer Correct ?    0 Yes 0 No

diff between Abstract class Interfaces?..

Answer / latha

abstract class contains the abstract methods. these methods
contain the only declaration but no definition.

interface is the class which extends the many interfaces.
and the class implements the many interfaces

Is This Answer Correct ?    1 Yes 4 No

Post New Answer

More OOPS Interview Questions

is there any choice in opting subjects like 4 out of 7

0 Answers  


write a C++ program for booking using constructor and destructor.

0 Answers   HAL,


How to create a comment page in C #??

2 Answers  


WAP to find the ambiguities in Multiple Inheritance? How are they resolved.(Virtual Functions)

1 Answers  


What is the difference between encapsulation and polymorphism?

0 Answers  


what is oops

4 Answers   DELL,


polymorphism means?

6 Answers   BFL,


How oops is better than procedural?

0 Answers  


How does polymorphism work?

0 Answers  


what is a binary overloading

2 Answers  


What is the difference between class and object?

4 Answers   Apple, Heinz,


The expansion of GNU

3 Answers  


Categories