New Документ Microsoft Word

*/
interface Figure {
public fun getVerticesCount() : Int;
public fun getSquare() : Int;
}
open class Rectangle : Figure {
override fun getVerticesCount() : Int {
return 4
}
override fun getSquare() : Int {
return 12
}
}
class Square : Rectangle() {
override fun getSquare() : Int {
return 10
}
}
class Triangle : Figure{
override fun getVerticesCount() : Int {
return 3
}
override fun getSquare() : Int {
return 9
}
}
fun sumOfS (figures : Array<Figure>) : Int {
var result : Int = 0
for (figure in figures) {
result += figure.getSquare()
println (figure.toString())
}
return result
}
fun main () {
var array = arrayOf<Figure>(Square(), Triangle () )
array +=Rectangle()
var square : Rectangle = Square()
println(square.getVerticesCount())
println(square.getSquare())
//println(sumOfS(array))
}