Object Oriented

Exercises

Class

1. Write a class Person with a constructor fields name and a method sayHello
2. Instantiate the Person and call the sayHello method

Companion Object

1. Write an object Person with a method apply
2. Instantiate a Person with the companion object

Case Class

1. Write a case class Person with a constructor field name and a method sayHello
2. Instantiate the Person (with the generated companion object)

Inheritance

1. Write a class Customer with a constructor field name that extends Person
2. Instantiate the Customer and call the sayHello method

Trait

1. Write a trait Greeter with a sayHello method
2. Use the Greeter on the Customer and call the sayHello method