Inheriting the car class
With inheritance, we can create relationships between Classes and share code, avoiding needless repetition. You will make the Toyota class inherit all that we have created from the Car class, and to complete the inheritance, you must call the base class's constructor.
The Car class from earlier exercises has been preloaded for you.
This exercise is part of the course
Introduction to Object-Oriented Programming in Java
Exercise instructions
- Complete the inheritance of the
Toyotaclass from theCarclass using theextendskeyword. - Call the constructor of the
Carclass from within theToyotaconstructor using thesupermethod. - Pass the correct matching parameters to the
supermethod from the parameters of theToyotaconstructor. - Create an instance of
ToyotacalledmyToyotawith thecolorbeing"black", themodelbeing"yaris", and theyearbeing2014.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
public class Main {
// Enable the "Toyota" class to inherit from "Car"
static class Toyota ____ ____ {
public Toyota(String color, String model, int year){
// Call the "Car" constructor using "super()"
____(____, ____, ____);
}
}
public static void main(String[] args) {
// Create "myToyota" instance of Toyota
____ myToyota = new Toyota("____", "____", ____);
System.out.println(myToyota.model);
}
}