Implement a class Car

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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1 P2.18 Implement a class Car with the following properties. A car has a certain fuel effi-
ciency (measured in miles/gallon or liters/km-pick one) and a certain amount of
fuel in the gas tank. The efficiency is specified in the constructor, and the initial fuel
level is 0. Supply a method drive that simulates driving the car for a certain distance,
reducing the amount of gasoline in the fuel tank. Also supply methods getGasInTank,
returning the current amount of gasoline in the fuel tank, and addGas, to add gasoline
to the fuel tank. Sample usage:
Car myHybrid = new Car(50); // 50 miles per gallon
myHybrid.addGas(20); // Tank 20 gallons
myHybrid.drive(100); // Drive 100 miles
double gasLeft = myHybrid.getGasInTank(); // Get gas remaining in tank
%3D
%3D
You
assume that the drive method is never called with a distance that consumes
may
more than the available gas. Supply a CarTester class that tests all methods.
Transcribed Image Text:1 P2.18 Implement a class Car with the following properties. A car has a certain fuel effi- ciency (measured in miles/gallon or liters/km-pick one) and a certain amount of fuel in the gas tank. The efficiency is specified in the constructor, and the initial fuel level is 0. Supply a method drive that simulates driving the car for a certain distance, reducing the amount of gasoline in the fuel tank. Also supply methods getGasInTank, returning the current amount of gasoline in the fuel tank, and addGas, to add gasoline to the fuel tank. Sample usage: Car myHybrid = new Car(50); // 50 miles per gallon myHybrid.addGas(20); // Tank 20 gallons myHybrid.drive(100); // Drive 100 miles double gasLeft = myHybrid.getGasInTank(); // Get gas remaining in tank %3D %3D You assume that the drive method is never called with a distance that consumes may more than the available gas. Supply a CarTester class that tests all methods.
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