Program to count number of digits in an integer | C Program

Here’s a C program to count the number of digits in an integer with output and proper explanation. The program uses while loop...

[ Read More ]

Ternary Operator in C

Ternary operator is an operator which can be used in place of an if else condition when both if and else part has only one line inside them. Lets look at the syntax of ternary operator in C language and understand ternary operators with exampl...

[ Read More ]

C++ Interview Questions - Constructor and Destructor

Q: Is it possible to have Virtual Constructor? If yes, how? If not, Why not possible? A: There is nothing like Virtual Constructor. The Constructor can’t be virtual as the constructor is a code which is responsible for creating an instance of a class and it can’t be delegated to any other object by virtual keyword means. Q: What is constructor or ctor? A: Constructor creates an object and initializes it. It also creates vtable for virtual functions. It is different from other methods in a class. Q: What about Virtual Destructor? A:...

[ Read More ]

C++ Interview Questions with Answers Part 1

Q.1) What is C++?     Released in 1985, C++ is an object-oriented programming language created by Bjarne Stroustrup. C++ maintains almost all aspects of the C language, while simplifying memory management and adding several features - including a new datatype known as a class (you will learn more about these later) - to allow object-oriented programming. C++ maintains the features of C which allowed for low-level memory access but also gives the programmer new tools to simplify memory management. Q.2) C++ used for: C++ is a powerful...

[ Read More ]