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Objects of a Class

Objects of a Class

In this lesson, you will create your first object of a class and learn how to set its fields and call its methods.

Instantiating a Class

Once a class has been defined, you can create objects from the class blueprint using the new keyword followed by the class identifier.

We usually don’t create objects for the sake of just creating them, rather, we want to work with them in some way. For this reason, we assign the object to a variable. Let’s instantiate our Person class.

For ease, the code for creating the class is also provided below.

Scala
class Person{
  var name: String = "temp"
  var gender: String = "temp"
  var age: Int = 0
  def walking = println(s"$name is walking")
  def talking = println(s"$name is talking")
}
// Creating an object of the Person class
val firstPerson = new Person

Setting the Field Values

Now that we have our object firstPerson, let’s set its field values. To do so, we call the field we wish to set on the object whose field we wish to set.

Let’s set the name, gender, and age of ...