C++ Interview Question and Answers
| 71. |
What are the types of storage qualifiers in C++? |
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C++ includes three storage qualifiers:
- Const :
A const variable is one that the program may not modify except through initialiazation when the variable is declared.
- Volatile:
A volatile type qualifier tells the compiler that the program could change the variable.
- Mutable:
A const member function may modify a data member only if the data member is declared with the mutable qualifier.
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| 72. |
What are the advantages of using on iterator? |
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Iterator interfaces(API) are the same for all the containers. For example, a container list can internally have doubly linked list or singly list, but its corresponding iterator interface that is used to access its elements is always the same.
(iter->next)
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| 73. |
What are data members? |
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Data members are variables of any type(in-built or user defined). |
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| 74. |
What are the types of statements in c++? |
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A program in any langauge basically consists of statements. Statements symbolize instructions. There are many categories of statements.
- Expression statement
- Assignment statement
- Selection statement
- Iteration statement
- Jump statement
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| 75. |
What is initialization? |
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Initialization is a process of assigning a value to a variable at the time of declaration. |
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| Karthikeyan R,says |
July 13,2017 |
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Initialize a variable to any datatype then declare or initialize a numeric value or string |
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Gk Questions with Answers