繼承的相關問題...

提問者：diane丶愛你  |  瀏覽 次  |  提問時間：2017-02-26  |  回答數量：2

package example1; class Speciality extends Doctor {   String speciality;   Speciality(String name,String idNumber,String address,String speciality){     super(name,idNumber,address);     this.speciality = speciality;   }   void show1() {     System.out.println(\"專業:\"+speciality);   } } class NonSpecialist extends Doctor {   NonSpecialist(String name,String idNumber,String address){     super(name,idNumber,address);   } } public class Doctor {   String name;   String idNumber;   String address;