Constructor definition

constructor.kt

fun main() {
    // constructor is a special type of member function that instantiate the class
    val elephant = Elephant()
    println(elephant)

    val employee = Employee("Ram")
    println(employee)

    val student = Student("Arun")
    println(student.toString())
    println(student.profile)

    val worker = Worker("Tony")
    println(worker.name)
    println(worker.toString())
}

// constructor without parameter
class Elephant

// constructor with parameter
class Employee(name: String)


// constructor parameter accessible only to the member property
class Student(name: String) {

    val profile: String = "Student name is $name"
}

// constructor parameter accessible outside the class body
class Worker(val name: String) {

    // override default toString() with our own implementation
    override fun toString(): String {
        return "Worker Class"
    }
}