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C++ Language INTERVIEW QUESTION & ANSWERS

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1. What is C++?
  C++ is an object oriented programming language. It was developed by Bjame Stroustrup in 1983 at the AT & T Bell Laboratories, Now Jersey, USA. It is basically a super set of C, which provided low level features.
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2. What are the basic concepts of OOP?
 
  • Objects
  • Classes
  • Data Abstraction and Encapsulation
  • Inheritance
  • Polymorphism
  • Dynamic Binding
  • Message Passing
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3. What is oops?
  An object oriented program is a collection of discrete objects, which are self contained collections of both data structures and functions that interact with other objects.
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4. What are the characteristic of C++ language?
 
    It has the following characteristics :
  • Reduces complexity while solving problems
  • Correctness of results is ensured
  • Affordable in terms of hardware and other resources
  • Easier and cheaper for integrating existing software facilities and libraries
  • Portable i.e. can be used on different types of computers with little or no change in the programs.
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5. What are the types of character set?
 
    We have two character sets in C++. These are :
  • Source characters
  • Escape sequences /Execution characters
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