Coding/problem-2b.txt at master · Nafees01/Coding · GitHub

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2(b):-

Another design pattern is given below:

abstract class Vehicle{
abstract fun set_num_of_wheels(wheels:Int)
abstract fun get_num_of_wheels():Int
abstract fun set_num_of_passengers(passengers:Int)
abstract fun get_num_of_passengers():Int
abstract fun set_has_gas(hasGas:Boolean)
abstract fun has_gas():Boolean


}

class BaseClass:Vehicle{

var wheels:Int=0
var passengers:Int=0
var hasGas:Boolean=true

override fun set_num_of_wheels(wheels:Int){
   this.wheels=wheels
}
override fun get_num_of_wheels():Int= wheels
override fun set_num_of_passengers(passengers:Int){
   this.passengers=passengers
}
override fun set_num_of_passengers():Int=passengers

override fun set_has_gas(hasGas:Boolean){
   this.hasGas=hasGas
}
override fun has_gas():Boolean=this.hasGas


fun printSpecifiaction(name:String){

System.out.println("$name has $wheels wheels, $passengers passengers)

}

 }


fun main(){

val car:BaseClass=BaseClass()

car.set_num_of_wheels(4)
car.set_num_of_passengers(6)
car.set_has_gas(true)
car.printSpecification("toyota car")

val plane:BaseClass=BaseClass()

plane.set_num_of_wheels(8)
plane.set_num_of_passengers(230)
plane.set_has_gas(true)
plane.printSpecification("Bangladesh Biman")


}