trait Ordered[A] extends java.lang.Object with java.lang.Comparable[A] with scala.ScalaObject {
  def compare(that : A) : scala.Int
  def <(that : A) : scala.Boolean
  def >(that : A) : scala.Boolean
  def <=(that : A) : scala.Boolean
  def >=(that : A) : scala.Boolean
  def compareTo(that : A) : scala.Int
}

class Person(val name: String) extends Ordered[Person] {
  def compare(that: Person) = name.compareTo(that.name)
}

object Main {
  def main(args: Array[String]) {
    val alex = new Person("Alex")
    val mike = new Person("Mike")
    println(alex > mike)
    println(alex <= mike)
  }
}