2023 Class and Objects 1 Create a new Java class named Car that | Assignment Collections

Computer Science 2023 Class And Objects

2023 Class and Objects 1 Create a new Java class named Car that | Assignment Collections

Class and Objects

1. Create a new Java class named Car that has the following fields

o year – The year field is an int that holds a car’s year model (e.g. 2010)

o make – The make field is a String object that holds the make of the car (e.g. “Porsche”) o speed – The speed field is an double that holds a car’s current speed (e.g. 25.0)

2. In addition, the Car class should have the following methods.

o Constructor – The constructor should accept the car’s year, make, and beginning speed as
arguments
 These values should be used to initialize the Car’s year, make, and speed fields§

o Getter Methods – Write three accessor (getter) methods to get the  getYear(), getMake(), getSpeed()§values stored in an object’s fields

o accelerate – Write an accelerate method that has no arguments (parameters) passed to it and adds 1 to the speed field each time it is called
 For example: if the car was going 3 mph, accelerate would set the speed to 4 mph§

3. Write a separate Java class RaceTrack in file RaceTrack.java with a main method that uses
your Car class

Save the class in file RaceTrack.java in the same java project folder.

4. Inside RaceTrack class’ main method

o Create a new Car object (using the Car constructor method), passing in the year, make, and speed o Display the current status of the car object using the getter methods getYear(), getMake(),
and getSpeed()

o Call the car’s accelerate method and then re-display the car’s speed using getSpeed()

 

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