抽象类、抽象字段、抽象方法

实例

package kmust.hjr.learningScala13

/**
 * Created by Administrator on 2015/7/14.
 */
class AbstractClassOps{
  var id:Int=_
}
abstract class SuperTeacher(val name:String){
  var id :Int
  var age :Int
  def teach
}

class TeacherForMaths(name:String)extends SuperTeacher(name){
  override var id=name.hashCode()
  override var age=25
  override def teach: Unit ={
    println("Teaching...")
  }
}

object AbstractClassOps {

  def main(args:Array[String]): Unit ={

    val teacher=new TeacherForMaths("Spark")
    teacher.teach

    println("teacher.id"+":"+teacher.id)
    println("teacher.name"+":"+teacher.name)
    println("teacher.age"+":"+teacher.age)
  }
}

附件：