Scala program which contains only one constructor then that constructor is known as Primary constructor.
syntax:-
class class name(parameter list) {
//statements
}
use case 1:
scala> class smartphone(val size:Int, val price:Double){
println(“Inside smartphone constructor”)
def desc = “smartphone price” + price + “is of size” + size
}
use case 2:
scala> class Dog(val size:Int, val height:Double){
println(“Inside dog constructor”)
def desc = “Dog height” + height + “is of size” + size
}
use case 3:
scala> class Fruit(val name:String,val color:String, val weight:Double){
println(“Inside dog constructor”)
def desc = “Fruit name” + name + “is of color” + color + “and weight is” + weight
}
