overloading

class Nir
{
    //declare of defualt constructor
    init(){}
    //another constructor
    init(param:String){}

    //function sayHi
    func sayHi()
    {
        print ("kill me!!")
    }

    func sayHi(by:String)
    {
        print ("me was killed by \(by)")
    }

    func sayHi(by:String, moto:String)
    {
        print ("me was killed by \(by) \(moto)")
    }

}
var student:Nir=Nir()
student.sayHi()
student.sayHi(by: "Itay")
student.sayHi(by: "Itay", moto:"Today!!!")