Android Developers

fun main() {

    //Declare A Variable To Store Value
    
    var Username = "Biruk"
    
    //Create A Void Function Which Concatenate "Welcome User " Message With The Above String Value & Print It To The Console
    
    fun welcomeUser(){
      println("Welcome User " + Username)
    }
    
    //Create An Integer Function Which Get The Characters Count Of The String Username Using length Method & Return The Value
    
    fun calculateUsernameCharactersCount() : Int {
      var UsernameCharactersCount = Username.length
      return UsernameCharactersCount
    }
    
    //Call welcomeUser Function()
    
    welcomeUser()
    
    //Call calculateUsernameCharactersCount Function
    
    print(calculateUsernameCharactersCount())
}