```class book(){ var pages:Int=300 } class pup...

# announcements

[Ashutosh Panda]

class book(){
    var pages:Int=300
}
class puppy(b: book)
{
    fun removePages():Int=b.pages-Random().nextInt(0,100)
}

fun book.getWeight():Double=pages*1.5
val hamlet=book()
val puppy=puppy(hamlet)
fun book.CountPages(i:Int):Int=pages-i
println("${hamlet.CountPages(20) } \n")
println("${hamlet.getWeight()} \n")
println("${puppy.removePages()+hamlet.CountPages(20)}")

[Ivan Kubyshkin [JetBrains]]

class puppy(val b: book)

[Matthieu Esnault]

b is provided to the constructor, but it’s not a property of the class puppy .

try

class puppy(val b: book)

Edit : too slow :)

[Ashutosh Panda]

Thanks

[Ashutosh Panda]

Still it's showing an error

[Ashutosh Panda]

Can't create an instance of abstract class

[Ashutosh Panda]

This is the error

[Ivan Kubyshkin [JetBrains]]

Random.nextInt(0,100)