DriverConstructorExample.kt

fun main() {
    val address = getAddress()
    val contact = getContact()
    val company = getCompany()
    val educations = getEducations()

    val user = User(
        "Abhishek", null, "Saxena",
        address, contact,
        company, educations,
    )

    val user1 = User(
        "Abhishek", null, "Saxena",
        address, null,
        null, educations,
    )

    val user2 = User(
        "Abhishek", null, "Saxena",
        address, null,
        company, educations,
    )
}