main.cpp

来自「斯坦福Energy211/CME211课《c++编程——地球科学科学家和工程师》」· C++ 代码 · 共 48 行

#include <iostream>

#include "employee.h"
#include "hourly.h"
#include "salaried.h"

using namespace std;

int main() {
	
	// Dynamically create a new Hourly object.
	// The new operator returns a pointer to the object.
	Hourly *ph = new Hourly( "James Lambers", 
		"010-10-1010", 20.0, 40 );
	
	// Now we do the same with a Salaried object, except
	// we use a smart pointer, which we don't have to 
	// remember to delete
	auto_ptr<Salaried> ps(new Salaried( "Margot Gerritsen",
		"987-65-4321", 7000.0 ));
		
	// We can't create an Employee object, but we can
	// have a pointer to an Employee object
	Employee *pe = ph;
	
	// Output the Hourly object, accessing it through
	// the Employee pointer
	cout << "First Employee:" << endl;
	cout << "===============" << endl;
	cout << *pe;
	cout << endl;
	
	// Then output the Salaried object
	cout << "Second Employee:" << endl;
	cout << "================" << endl;
	cout << *ps;
			
	// The Hourly object is not stored in a smart pointer,
	// so we have to delete it.  We can access it through
	// the Employee pointer, and because the Employee
	// destructor is virtual, the Hourly destructor will
	// be called too
	delete pe;
	
	return 0;
}