ketankhairnar

object ParameterizedType {

  //class definitions
  class Pet(val name: String) {
    override def toString = name
  }

  class Dog(override val name: String) extends Pet(name)

  //covariance example

ketankhairnar

package dojo1_Roman;

public class RomanConverter
{

    public enum Digit
    {
        UNIT, DECIMAL, HUNDRED, THOUSAND
    };