Question

write a program to find area of circle using class, constructor function and destructor?​

Answer 1

Explanation:

#include<iostream>

using namespace std;

class Test {

public:

float r, area;

Test() {

cout << "Enter radius of a circle:";

cin >> r;

area = 3.14 * r * r;

}

void display() {

cout << "Area of circle is: " << area;

}

};

int main() {

Test obj;

obj.display();

return 0;

}