C++ Programming Questions Answers - Set 2

• 15. What is actual syntax of destructor in c++ ?

  1. !Classname( )
  2. @Classname( )
  3. $Classname( )
  4. ~Classname( )

  Answer And Explanation

  Answer: Option D

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• 16. We can do constructor overloading in C++ ?

  1. True
  2. False

  Answer And Explanation

  Answer: Option B

  Explanation:

  constructor overloading can be done in C++.

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• 17. A variable is defined within a block in a body of a function. Which of the following are true ?

  1. It is visible from the point of definition to the end of the program.
  2. It is visible throughout the function.
  3. It is visible from the point of definition to the end of the block.
  4. It is visible throughout the block.

  Answer And Explanation

  Answer: Option B

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• 18. The major goal of inheritance in C++ is ?
  

  1. To facilitate the reusability of code
  2. To help modular programming
  3. To facilitate the conversion of data types
  4. To extend the capabilities of a class

  Answer And Explanation

  Answer: Option A

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• 19. Which of the following keywords are used to control access to a class member ?

  1. protected
  2. switch
  3. goto
  4. for

  Answer And Explanation

  Answer: Option A

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• 20. Which of the following cannot be passed to a function ?
  

  1. Array
  2. Reference variable
  3. Object
  4. File

  Answer And Explanation

  Answer: Option D

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• 21. Among following which will give the size of object or type ?

  1. Calloc
  2. Malloc
  3. Sizeof
  4. Realloc

  Answer And Explanation

  Answer: Option C

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