Use of various Data Types in C++ program.

This program shows use various data types in C++.

#include<iostream>
using namespace std;

int main()
{
   int rollno;
   char name[20];
   float age;
   char grade;
                     
   cout << "Enter your roll no.:";
   cin >> rollno;
                     
   cout << "Enter your name:";
   cin >> name;
         
   cout << "Enter your age:";
   cin >> age;
         
   cout << "Enter your grade:";
   cin >> grade;
           
   //Logic for Printing output....
   cout << "========================\n";
   cout << "Your Roll No is " << rollno << "\n";
   cout << "Your Name is " << name << "\n";
   cout << "Your Age is " << age << "\n";
   cout << "Your Grade is " << grade << "\n";
   cout << "========================\n";
   return 0;
}

Output of program

Enter your roll no.:101
Enter your name:ABC
Enter your age:25
Enter your grade:A
========================
Your Roll No is 101
Your Name is ABC
Your Age is 25
Your Grade is A
========================