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abstract class SuperTeacher(val name : String){
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var id : Int //抽象字段，不需要初始化
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var age : Int
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def teach //抽象方法
- }
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class TeacherForMaths(name : String) extends SuperTeacher(name){
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override var id = name.hashCode()
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override var age = 29
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override def teach{
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println("Teaching!!!")
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}
- }
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object AbstractClassOps{
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def main(args: Array[String]) {
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val teacher = new TeacherForMaths("Spark")
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teacher.teach
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println("teacher.id" + ":" + teacher.id)
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println(teacher.name + ":" + teacher.age)
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}
- }
Teaching!!!
teacher.id:80085693
Spark:29
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/28912557/viewspace-1839824/ ，如需转载，请注明出处，否则将追究法律责任。
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