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Objects Expressions and Declarations

Objects Expressions and Declarations

Explore the concept of objects in Kotlin, including object expressions and declarations, and learn how they are used to create unique instances.

Introduction to objects

An object is an instance of a class, and one common method of creating objects is using constructors:

class A
// Using a constructor to create an object
val a = A()
Creating an instance of class A using a constructor

However, this is not the only way. In Kotlin, we can also create objects using:

  • Object expression

  • Object declaration

Object expressions

To create an empty object using an expression, we use the object keyword and braces. This syntax ...