#include <iostream.h>


 class myClass    	// How to define a "class" type
 {			// This is NOT a variable definition
 public:
    int i;		// It serves to tell C++ what "myClass" looks like
    float f;
 };


 myClass x;		    // How to define class variables


 int main(int argc, char *argv[])
 {
    myClass A[3];	    // How to define arrays of class variables
    extern myClass x;	    // How to DECLARE class variables

    void Print1(myClass);   // How to pass class by VALUE
    void Print2(myClass &); // How to pass class by REFERENCE


    x.i = 1234;			// How to use a struct variable
    x.f = 3.14;

    Print1(x);
    Print1(x);

    A[1].i = 333;		// How to use an array of struct variable
    A[1].f = 2.17;

    Print1(A[1]);

    Print2(x);
    Print2(x);

 }


 /* ----------------------------------------------
    How to pass class variables by VALUE
    ---------------------------------------------- */
 void Print1(myClass h)
 {
    cout << "Structure values = (" << h.i << ", " << h.f << ")\n";

    h.i = h.i + 1000;
    h.f = h.f + 1000;
 }

 /* ----------------------------------------------
    How to pass class variables by REFERENCE
    ---------------------------------------------- */
 void Print2(myClass & h)
 {
    cout << "Structure values = (" << h.i << ", " << h.f << ")\n";

    h.i = h.i + 1000;
    h.f = h.f + 1000;
 }