C++ program to print odd numbers in a range using class

Given a range, we have to print all odd numbers in that range using the class and object approach.
Submitted by Shubh Pachori, on August 14, 2022

Example:

Input:
Enter Range: 3 9

Output: 
Odd Numbers in the range 3 to 9 are 
3 5 7 9

C++ code to print odd numbers in a range using class and object approach

#include <iostream>
using namespace std;

// create a class
class IsOdd {
  // declare private data members
 private:
  int start, end;

  // public functions
 public:
  // getRange() function to insert range
  void getRange() {
    cout << "Enter Range:";
    cin >> start >> end;
  }

  // isOdd() function to print odd numbers in between range
  void isOdd() {
    // initilaize int type variable for indexing
    int index;

    cout << "Odd Numbers in the range " << start << " to " << end << " are "
         << endl;

    // for loop to search odd number in the range
    for (index = start; index <= end; index++) {
      // if the index_1 is completely divided by 2
      if (index % 2 != 0) {
        cout << index << " ";
      }
    }
  }
};

int main() {
  // create a object
  IsOdd O;

  // calling getRange() function to insert range
  O.getRange();

  // isOdd() function search odd numbers in the range
  O.isOdd();
  return 0;
}

Output:

RUN 1:
Enter Range:1 10
Odd Numbers in the range 1 to 10 are 
1 3 5 7 9 

RUN 2:
Enter Range:1 11
Odd Numbers in the range 1 to 11 are 
1 3 5 7 9 11

Explanation:

In the above code, we have created a class IsOdd, two int type data members start and end to store the start and end of the range, and public member functions getRange() and isOdd() to store and print odd numbers in between that given range.

In the main() function, we are creating an object O of class IsOdd, reading a range by the user using getRange() function, and finally calling the isOdd() member function to print the odd numbers in the given range. The isOdd() function contains the logic to print odd numbers in the given range and printing the result.