C++ Language INTERVIEW QUESTION & ANSWERS
| 16. |
What is a function? |
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A function is a subprogram that acts on data and returns a value. A function can be invoked from the other parts of the program. |
| 17. |
What are the types of function? |
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Functions are of two types are : - Built in functions
- User defined functions
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| 18. |
What are class members? |
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A class has members which consist of data members, the constructor, function, destructor functions and member functions. |
| 19. |
What are the advantages of OOPs? |
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Object Oriented Programming has the following advantages over conventional approaches : - OOP provides a clear modular structure for programs which makes it good for defining abstract data types where implementation details are hidden and the unit has a clearly defined interface.
- OOP makes it easy to maintain and modify existing code as new objects can be created with small differences to existing ones.
- OOP provides a good framework for code libraries where supplied software components can be easily adapted and modified by the programmer. This is particularly useful for developing graphical user interfaces.
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| 20. |
What are the application of OOP? |
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- Real time system
- Object oriented databases
- Neural network and parallel processing
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