Malarvizhi M

Class: A class is a user-defined data type where all the member functions and data members are tailor-made according to demands and requirements in addition to which these all can be accessed with the help of an object. To declare a user-defined data type we use a keyword class.

Object: An object is an instance of a class and an entity with value…[Read more]

C++OOPS Concept
■Object
■Class
■Inheritance
■Polymorphism
■Encapsulation
■Abstraction

♧Object: Anything that exists physically in the real world is called an object.

♧Class: The collection of objects is called class.

♧Inheritance: Properties of parent class inherited into child class is known as inherita…[Read more]

The delete operator is used to delete/remove all the characteristics/properties from an object by deallocating its memory; furthermore, it returns true or false in the end. In simple terms, it destroys or deallocates array and non-array(pointer) objects which are created by new expressions.

C++

int GFG = new int[100];
// uses GFG…[Read more]

■When destroying instances or objects of a derived class using a base class pointer object, a virtual destructor is invoked to free up memory space allocated by the derived class object or instance.

■Virtual destructor guarantees that first the derived class’ destructor is called. Then the base class’s destructor is called to release the space o…[Read more]

Polymorphism is known as many forms of the same thing. In simple terms, we can say that Polymorphism is the ability to display a member function in multiple forms depending on the type of object that calls them.

In other words, we can also say that a man can be an employee to someone, a son of someone, a father of someone, and a husband of…[Read more]

A token is the smallest individual element of a program that is understood by a compiler. A token comprises the following:

■Keywords – That contain a special meaning to the compiler
■Identifiers – That hold a unique value/identity
■Constants – That never change their value throughout the program
■Strings – That contains the homogenous sequ…[Read more]