Interested to Buy Any Domain ? << Click Here >> for more details...
what is the abstract class,interface ,its difference with a programatic eg.?
hi,recently i went for an interview they ask me what is abstract class ,interface and its difference
I said abstract class contain abstact method ,abstract method is a method with no body.Abstract class cannot be instantiated.Abstract class is a base class it required derived class for the implementation of method.
Interface is a syntactical contract that all derived class should follow
it define properties ,method,events which are known as member of interface.
Then They asked me what is the difference between them. I said
abstract class interface
1.abstact class can implement method 1.interface cant
2.abstact class can contain constructor, 2.interface cant
destructor
3.abstract class cannot support multiple 3.interface support
inheritance
etc
Then they said some different answer I said dont no.
Then they ask me when i should make abstract class for an project and when
i should make interface.
I said if suppose there is two class which must be having method with different logic then we sholud make abstract class.
and if suppose we have two class having method .with different logic then we can make interface .
Am i correct with my explaination.if not correct me .please provide me that when should we create abstract class and interface and what is difference .please help me
- 1 Answers
- 4581 Views
- I also Faced
- E-Mail Answers
Answer Posted / sachinmundhra
Abstract class will have a pure virtual function. A virtual
function having no body.
virtual void display() = 0 ;
| Is This Answer Correct ? | 0 Yes | 3 No |
Post New Answer View All Answers
What is the difference between a constructor and a destructor?
What is multilevel inheritance in oop?
What are objects in oop?
What is polymorphism and types?
Why do while loop is used?
write a program using c++ to implement single contiguous memory mangement techniques.display the content of the main memory after yhe allocation of jobs and percentage of the wastage of the main memory
How many human genes are polymorphic?
What is destructor example?
What is meant by oops concept?
Write A Program to find the ambiguities in Multiple Inheritance? How are they resolved.(Virtual Functions)
What is oops?what is its use in software engineering?
What is data binding in oops?
when to use 'mutable' keyword and when to use 'const cast' in c++
State what is encapsulation and friend function?
What type of loop is a for loop?
