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  1. class Animal() {
  2.   def says():String = "???"  
  3. }
  4. class Dog() extends Animal {
  5.   override def says():String = "woof"
  6. }
  7.  
  8. class Zoo[A <: Animal](thing: A) {
  9.   def whoami()=thing.getClass
  10.   def chat()=thing.says
  11. }
  12.  
  13.  
  14. object Main extends App {
  15.  
  16.  
  17. 	val adog = new Dog
  18. 	val cage = new Zoo[Dog](adog)
  19.  
  20. 	println(cage.chat())
  21.  
  22. }
Success #stdin #stdout 0.37s 382080KB
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woof
https://ideone.com/p0lMyn
language:
Scala (scala 2.12.8)
created:
10 years ago
visibility:
public

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