Write a C++ program that defines a class called Student and private fields are “studentId” type interget, ”studentName” of type string and ”cgpa” type of double. The class also has all type of constructors (default, parameterized and copy) and display function to prints the information

Also, provide how the program is typed in the minimum of 5 sentences

Answer:

Here is the Source Code

#include <iostream>

class Student
{
private:
int studentID;
char studentName[100];
double cgpa;
  
public:
  
Student() // Default Constructor
{
std::cout<<"We are in default Constructor"<<std::endl;
}
  
Student(int a, char *b, double c) // paramatrized constructor
{
std::cout<<"We are in Paramatrized Constructor"<<std::endl;
studentID = a;
int i ;
for(i=0;b[i] != '\0';i++)
{
  
studentName[i] = b[i];
}
cgpa = c;
}
  
  
Student(const Student &ab ) // copy constructor
{
  
std::cout<<"We are in Copy Constructor"<<std::endl;
studentID = ab.studentID;
int i ;
for(i=0;ab.studentName[i] != '\0';i++)
{
  
studentName[i] = ab.studentName[i];
}
  
cgpa = ab.cgpa;
  
}
  
void display() // class method to display values
{
  
  
std:: cout << "Student Id is " <<studentID<<std::endl;
std::cout << "Student Name is "<<studentName<<std::endl;
std::cout << " Student cgpa is " << cgpa<<std::endl;
}
  
  
};
int main() {
Student def = Student();//this invokes default constructor
  
Student a = Student(10,"Ram",8.76); // Invoking the paramatrized constructor
a.display();
  
Student b = Student(a);// invoking the copy constructor
  
b.display();

return 0;
}

Here is the code snippet and output:

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