C++ examples for Class:Destructor
Demonstrates use of a class destructor function.
#include <iostream> using namespace std; #include <math.h> const float PI = 3.14159; // Approximate value of pi. // A sphere class class Sphere/*from w w w . java 2 s . c o m*/ { public: float r; // Radius of sphere float x, y, z; // Coordinates of sphere Sphere(float xcoord, float ycoord, float zcoord, float radius) { x = xcoord; y = ycoord; z = zcoord; r = radius; } ~Sphere() { cout << "Sphere (" << x << ", " << y << ", " << z << ", " << r << ") destroyed\n"; } float volume() { return (r * r * r * 4 * PI / 3); } float surface_area() { return (r * r * 4 * PI); } }; void main(void) { Sphere s(1.0, 2.0, 3.0, 4.0); // Construct a class instance. cout << "X = " << s.x << ", Y = " << s.y << ", Z = " << s.z << ", R = " << s.r << "\n"; return; }