C++ Program to Print Numbers from 1 to n using class

By | 28.12.2016

Print Numbers from 1 to n using class


Write a C++ Program to Print Numbers from 1 to n using class. Here’s a Simple Program to Print Numbers from 1 to n using class in C++ Programming Language.


What is Class and Objects in C++?


  • Class is a user defined data type, which holds its own data members and member functions, which can be accessed and used by creating instance of that class.
  • The variables inside class definition are called as data members and the functions are called member functions.
  • Class is just a blue print, which declares and defines characteristics and behavior, namely data members and member functions respectively. And all objects of this class will share these characteristics and behavior.

  • Objects are instances of class, which holds the data variables declared in class and the member functions work on these class objects.
  • Each object has different data variables. Objects are initialized using special class functions called Constructors.

Below is the source code for C++ Program to Print Numbers from 1 to n using class which is successfully compiled and run on Windows System to produce desired output as shown below :


SOURCE CODE : :


/*  C++ Program to Print Numbers from 1 to n using class  */

#include<iostream>
using namespace std;

class Num
{
    public:
        static int i;
        Num()
        {
            cout<<i++<<" ";
        }
};

int Num::i=1;

int main()
{
    int n;
    cout<<"Enter value on n :: ";
    cin>>n;
    cout<<"\n";
    Num obj[n];
    cout<<"\n";

    return 0;
}

OUTPUT : :


/*  C++ Program to Print Numbers from 1 to n using class  */

Enter value on n :: 20

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Process returned 0

Above is the source code and output for C++ Program to Print Numbers from 1 to n using class which is successfully compiled and run on Windows System to produce desired output.

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