Kotlin OOP - Kotlin Assignment Help

OOP stands for Object-Oriented Programming.

Procedural programming is about writing procedures or methods that perform operations on the data, while object-oriented programming is about creating objects that contain both data and methods.

Kotlin Classes and Objects

Kotlin is associated with classes and objects, along with its properties and functions.

Let us know how to create a classes

To create a class, use the class keyword, and specify the name of the class:

class Car 
{
var brand = ""
var model = ""
var year = 0
} 

Let us know how to Create an Object

Now we can use the class named Car to create objects.

class Car {
  var brand = ""
  var model = ""
  var year = 0
}

fun main() {
  val c1 = Car()
  c1.brand = "Ford"
  c1.model = "Mustang"
  c1.year = 1969
  
  println(c1.brand)
  println(c1.model)
  println(c1.year)
}

Output:

Ford
Mustang
1969

Let us know how to Create multiple Object

class Car {
  var brand = ""
  var model = ""
  var year = 0
}

fun main() {
  val c1 = Car()
  c1.brand = "Ford"
  c1.model = "Mustang"
  c1.year = 1969
  
  val c2 = Car()
  c2.brand = "BMW"
  c2.model = "X5"
  c2.year = 1999
  
  println(c1.brand)
  println(c2.brand)
}

output:

Ford
BMW

Kotlin Constructor

Constructors are basically used to initialize each and every object

class Car 
{
var brand = ""
var model = ""
var year = 0
}
fun main() 
{

  val c1 = Car()
  c1.brand = "Ford"
  c1.model = "Mustang"
  c1.year = 1969
 
 }

Hope you understand the oops and syntax of kotlin in the next blog we are going to learn inheritence in kotlin.

Thank you

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