trait1

package com.bjsxt.scala

trait IsEQU{
  def isEqu(o:Any):Boolean
  def isNotEqu(o:Any) :Boolean = !isEqu(o)
}

class Point(xx:Int, xy:Int) extends IsEQU {
  val x = xx
  val y = xy

  def isEqu(o: Any): Boolean = {
     o.isInstanceOf[Point]&&o.asInstanceOf[Point].x == this.x
  }
}

object Lesson_Trait2 {
  def main(args: Array[String]): Unit = {
    val point1 = new Point(1,2)
		val point2 = new Point(1,3)
    println(point1.isNotEqu(point2))
  }
}