public class Manager extends position ?implements Job{ public String getMessage(String name){ return"姓名: "+name+"（manager)";} public String getMessage1(String wage){ return"工資: "+wage; } //以上體現了方法重寫 public static void main(String[] args) { Position zzc=new Manager();//這為什么錯了 //Position zzc=new Waiter(); //Position zzc=new Cook(); //以上體現了多態 zzc.setName("張志成"); zzc.setWage("10000"); zzc.setAccount("6212260503569565601"); ? ? ? ? ?String message = zzc.getMessage(zzc.getName());? ? ? ? ?String message1 = zzc.getMessage1(zzc.getWage()); System.out.println(message); System.out.println(message1);}public String getJobMessage() { return";工作項目:管理"; }}