Working with void methods
Classes perform actions using methods, and methods do not always have to return a specific data type. You will implement a method to turn on a car's engine inside the Car class.
This exercise is part of the course
Introduction to Object-Oriented Programming in Java
Exercise instructions
- Create a
voidmethod calledturnEngineOnthat takes no parameters inside theCarclass. - Print the message
"engine is on"inside theturnEngineOnmethod. - Call the
turnEngineOnon themyCarobject instance already created for you.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
class Main {
static class Car {
String color;
String model;
int year;
Car(String color, String model, int year) {
this.color = color;
this.model = model;
this.year = year;
}
// Create the turnEngineOn method
____ ____() {
// Print out "engine is on"
System.out.println("____");
}
}
public static void main(String[] args) {
Car myCar = new Car("red", "camry", 2022);
// Call the turnEngineOn method on the myCar object instance
____.____();
}
}