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- (* Chapter 15 - Programming example 2 *)
- program Inheritance_2;
-
- uses vehicles, CarTruck;
-
- { ************************ main program ************************** }
-
- var Unicycle : Vehicle;
- Sedan : Car;
- Semi : Truck;
- Pick_Up : Truck;
-
- begin
-
- Unicycle.Init(1, 12.0);
- Sedan.Init(4, 2100.0, 5);
- Semi.Init(1, 25000.0, 18, 5000.0);
- Pick_Up.Init(3, 3200.0, 6, 1350.0);
-
- WriteLn('The unicycle weighs ', Unicycle.Get_Weight:5:1,
- ' pounds, and has ', Unicycle.Get_Wheels, ' wheel.');
-
- WriteLn('The car weighs ', Sedan.Get_Weight:7:1,
- ' pounds, and carries ', Sedan.Passengers,
- ' passengers.');
-
- WriteLn('The semi has a wheel loading of ', Semi.Wheel_Loading:8:1,
- ' pounds per tire,');
- WriteLn(' and has an efficiency of ', Semi.Efficiency:5:1,
- ' percent.');
-
- WriteLn('The pickup has a wheel loading of ',
- Pick_Up.Wheel_Loading:8:1, ' pounds per tire,');
- WriteLn(' and has an efficiency of ', Pick_Up.Efficiency:5:1,
- ' percent.');
-
- with Semi do
- begin
- WriteLn('The semi has a wheel loading of ', Wheel_Loading:8:1,
- ' pounds per tire,');
- WriteLn(' and has an efficiency of ', Efficiency:5:1,
- ' percent.');
- end;
- end.
-
-
-
-
- { Result of execution
-
- The unicycle weighs 12.0 pounds, and has 1 wheel.
- The car weighs 2100.0 pounds, and carries 5 passengers.
- The semi has a wheel loading of 1666.7 pounds per tire,
- and has an efficiency of 83.3 percent.
- The pickup has a wheel loading of 758.3 pounds per tire,
- and has an efficiency of 70.3 percent.
- The semi has a wheel loading of 1666.7 pounds per tire,
- and has an efficiency of 83.3 percent.
-
- }