C++ General Interview Questions
Questions Answers Views Company eMail

Difference between delete and free.

756

In what situations do you have to use initialization list rather than assignment in constructors?

755

Explain the extern storage classes in c++.

688

Explain function overloading and operator overloading.

752

What is searching? Explain linear and binary search.

707

Explain function overloading

698

When do we run a shell in the unix system? How will you tell which shell you are running?

673

Define vptr.

716

When do we run a shell in the unix system?

724

What are the rules for naming an identifier?

699

When do you call copy constructors?

798

Define macro.

739

What things would you remember while making an interface?

700

Write a program using shift_half( ) function to shift the elements of first half array to second half and vice versa.

953

Explain the difference between c++ and java.

779


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Un-Answered Questions { C++ General }

What is problem with overriding functions?

715


Write a program which is required to process the time of a clock in hours and minutes, entered from the keyboard. With this program, there are two requirements for any data entered by a user: 1. The data must be of the correct type (in this case, two ints). 2. The data must be in the correct range: this means that, for the minutes, negative numbers and any number above 59 must be rejected; for the hours, negative numbers and any number above 23 must be rejected. Output error message for invalid data input. Output the time one and a half hour after the time input. i.e. Hour: 22 Min: 32 One and a half hour after 22:32 is 00:02

1641


What is flush c++?

670


Describe exception handling concept with an example?

676


What is static in c++?

727






What size is allocated to the union variable?

715


What is the meaning of c++?

668


Is c++ fully object oriented?

676


Explain explicit container.

769


Can constructor be private in c++?

737


Can we sort map in c++?

727


What is a singleton c++?

699


What is atoi in c++?

723


Why is c++ still best?

676


What is the equivalent of Pascal's Real a) unsigned int b) float c) char

692