Polymorphism
Polymorphism is combination of two words ‘poly’ means many and ‘morph’ means forms. It is the ability to take more than one form. Polymorphism allows one interface to be used …
Encapsulation
Encapsulation: encapsulation is a mechanism for wrapping up data and methods to the single unit called class. Doing so the data is not accessible to the outside world and is …
C++ objects and classes
Objects and classes: The objects and classes are the main part of the oops programming. The objects can represent a place, a person and much more. The program objects should …
Basic object oriented features and concepts
Basic object oriented features and concepts Various important features of object oriented programming are: Objects and classes Encapsulation Polymorphism Inheritance Abstraction Message passing Dynamic binding
C++ introduction
C++ is an object oriented programming language and was developed by Bjarne Stroustrup. It was developed at AT&T Bell laboratories in New Jersey USA in 1980. C is a more …
Input and output from file
Input and output from file: There are many methods to input and output from file these are: 1. putc(): putc function is used to write a character in a file. …
Opening and closing a file
Opening a file: To open a file the following syntax is used: Syntax: fopen(“filename”,”mode”); File modes: There are three types of modes to open a file these are as …
File handling
All the programs are executed in the RAM which is volatile means not permanent. In this type of memory the data can be shown till the program in this memory. …
Pointer variables declaration and Initialization
Pointer variables declaration: Pointer variables are used to store the address of the variable. And a pointer variable can store only the address of the variable which has the same …
Function using pointers
Function using pointers: pointers are very useful in the function and we send the addresses instead of values because the pointers are works with the addresses. Program: PROGRAM TO SWAP …