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Working with void methods

Classes perform actions using methods, and methods do not always have to return some form of data type. You will implement a method to turn on a car's engine inside the Car class.

Cet exercice fait partie du cours

Introduction to Object-Oriented Programming in Java

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Instructions

  • Create a void method called turnEngineOn that takes no parameters inside the Car class.
  • Print the message "engine is on" inside the turnEngineOn method.
  • Call the turnEngineOn on the myCar object instance already created for you.

Exercice interactif pratique

Essayez cet exercice en complétant cet exemple de 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"
            ____;           
        }
    }
    
    public static void main(String[] args) {
        Car myCar = new Car("red", "camry", 2022);
        // Call the turnEngineOn method on the myCar object instance
        ____.____;
    }
}
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