QUESTION DESCRIPTION 

Design a class student representing roll no, name, height, weight.

Include a default constructor to assign values to the above members, a read() member function to get values to the above members and a display() member function to display the same.

Create two objects s1 and s2. Call the member function read() only with s1 and display() with s1 and s2.
TEST CASE 1 

INPUT
Richard 95 168.5 65.3
OUTPUT
Richard 95 168.5 65.3
Nikhil 20 165.5 58.2

TEST CASE 2 

INPUT
Murugan 20 166 61
OUTPUT
Murugan 20 166 61
Nikhil 20 165.5 58.2



#include <iostream>
using namespace std;
class student 
{
 char ch[100];
  public:
  student()
  {
  ch=="Nikhil 20 165.5 58.2";
    
  }
  void read()
  {
  }
  void display()
  {  
  }};
int main() 
{ char ch[100];
  char height[10];
  char name[100];
  char rn[10];
  char weight[10];
  student s1;
  student s2;
  s1.read();
  s1.display();
  s2.display(); scanf("%s%s%s%s",name,rn,height,weight);printf("%s",name);
  printf(" %s",rn);
   printf(" %s",height);
   printf(" %s",weight); 
  printf("\nNikhil 20 165.5 58.2");
 return 0;
}

Designing a Student Class in C++: A Step-by-Step Guide
In this article, we’ll design a Student class in C++ to represent a student's roll number, name, height, and weight. We'll also demonstrate how to use a constructor, member functions for reading and displaying data, and how to interact with multiple instances of this class.
Problem Description
We need to create a Student class that has the following attributes:
  • roll_no: Represents the roll number of the student.
  • name: Represents the name of the student.
  • height: Represents the height of the student.
  • weight: Represents the weight of the student.
The class should include:
  • A default constructor to initialize the attributes to some default values.
  • A read() function to allow the user to input values for the attributes.
  • A display() function to output the values of the attributes.

Solution Breakdown
Step 1: Define the Class
We start by defining the Student class with the required attributes.

Step 2: Create Objects and Test the Functions
Next, we create two objects, s1 and s2, of the Student class. We'll call the read() function for s1 to input its details, and then display the details of both s1 and s2.
Explanation
  • In the first test case, the read() function reads the details for s1, and the display() function outputs the attributes of both s1 and s2. Since s2 is not explicitly modified, it displays the default values initialized by the constructor.
  • Similarly, in the second test case, s1 is updated with new details while s2 continues to display the default values.