truck.cpp

《c＋＋大学教程实验指导书》源码

// Chapter 10 of C++ How to Program
// truck.cpp
#include <iostream>

using std::cout;

#include "truck.h"

// constructor
Truck::Truck( double fuel )
   : Vehicle( 2, 16, "black", fuel, 8 )
{
   cargo = false;
  
} // end class Truck constructor

// function hasCargo definition
bool Truck::hasCargo() const 
{
   return cargo;

} // end function hasCargo

// function setCargo definition
void Truck::setCargo( bool cargoValue ) 
{
   cargo = cargoValue;

} // end function setCargo

// function print definition
void Truck::print() const
{
   Vehicle::print();
   
   if ( cargo )
      cout << "\tThe truck is currently carrying cargo.\n";

   else
      cout << "\tThe truck is currently not carrying cargo.\n";

   cout << "class name: " << getClassName() << "\n";

} // end function print

// function horn definition
void Truck::horn() const
{
   cout << "HOOOONK!"; 

} // end function horn

// return class name
string Truck::getClassName() const
{
   return "Truck";

} // end function getClassName


/**************************************************************************
 * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice      *
 * Hall. All Rights Reserved.                                             *
 *                                                                        *
 * DISCLAIMER: The authors and publisher of this book have used their     *
 * best efforts in preparing the book. These efforts include the          *
 * development, research, and testing of the theories and programs        *
 * to determine their effectiveness. The authors and publisher make       *
 * no warranty of any kind, expressed or implied, with regard to these    *
 * programs or to the documentation contained in these books. The authors *
 * and publisher shall not be liable in any event for incidental or       *
 * consequential damages in connection with, or arising out of, the       *
 * furnishing, performance, or use of these programs.                     *
 *************************************************************************/