不知道你是怎么想到toString方法名的,这个方法好像是不能被复盖的。
俺也是才开始学,大家讨论了~我记得在啥地方看见过的这种东西,但是想不起来了,自己试了一下也不清楚怎么弄,就在Employee里面加了一个方法,叫superToStr的,我把你的tiString全部改成toStr了,superToStr方法里调用super.toString();我就是这样写的,不管怎么说能用了。
呵呵,俺这样写有点担心,俺真的才学,不对的地方指正就行了,我谢谢,别埋汰我啊……
class Person {
public void toStr(){
System.out.println("********A*******");
}
}
class Employee extends Person{
public void toStr(){
System.out.println("********B*******");
}
public void supertoStr(){
super.toStr();
}
}
class Factulty extends Employee{}
class st{
public static void main(String[] args){
Factulty SS=new Factulty();
SS.toStr();
SS.supertoStr();
}
}
俺也是才开始学,大家讨论了~我记得在啥地方看见过的这种东西,但是想不起来了,自己试了一下也不清楚怎么弄,就在Employee里面加了一个方法,叫superToStr的,我把你的tiString全部改成toStr了,superToStr方法里调用super.toString();我就是这样写的,不管怎么说能用了。
呵呵,俺这样写有点担心,俺真的才学,不对的地方指正就行了,我谢谢,别埋汰我啊……
class Person {
public void toStr(){
System.out.println("********A*******");
}
}
class Employee extends Person{
public void toStr(){
System.out.println("********B*******");
}
public void supertoStr(){
super.toStr();
}
}
class Factulty extends Employee{}
class st{
public static void main(String[] args){
Factulty SS=new Factulty();
SS.toStr();
SS.supertoStr();
}
}
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我那样弄了一下,给Factulty加了个构造函数,里面用的super.super.toStr();为啥不行呢?该咋弄?
public class Person
{
private String name;
private String address;
private String phone;
private String email;
public Person ()
{
String name="defaultvalue";
String address="defaultvalue";
String phone="defaultvalue";
String email="defaultvalue";
}
public Person(String name,String address,String phone,String email)
{
this.name=name;
this.address=address;
this.phone=phone;
this.email=email;
}
public String getName()
{
return name;
}
public void setName(String name)
{
this.name=name;
}
public String toString()
{
return "class name is:Name "+"name:"+name;
}
}class Students extends Person
{
final int Grade1=1;
final int Grade2=2;
final int Grade3=3;
private int grade;
public Students()
{
this(1);
}
public Students(int grade)
{
super("defaultvalue","defaultvalue","defaultvalue","defaultvalue");
this.grade=grade;
}
public Students(String name,String address,String phone,String email,int grade)
{
super(name,address,phone,email);
this.grade=grade;
}
public int getGrade()
{
return grade;
}
public void setGrade(int grade)
{
this.grade=grade;
}
public String toString()
{
return "class name is:Students "+"name:"+super.getName();
}
}class Employee extends Person
{
private int office;
private double salary;
private String date;
public Employee()
{
this(1,0.0,"defaultvalue");
}
public Employee(String name,String address,String phone,String email,int office,double salary,String date)
{
super(name,address,phone,email);
this.office=office;
this.salary=salary;
this.date=date;
}
public Employee(int office,double salary,String date)
{ super("defaultvalue","defaultvalue","defaultvalue","defaultvalue");
this.office=office;
this.salary=salary;
this.date=date;
}
public int getOffice()
{
return office;
}
public void setOffice(int office)
{
this.office=office;
}
public double getSalary()
{
return salary;
}
public void setSalary(double salary)
{
this.salary=salary;
}
public String getDate()
{
return date;
}
public void setDate(String date)
{
this.date=date;
}
public String toString()
{
return "class name is:Employee "+"name:"+super.getName();
}
}class Faculty extends Employee
{
private String time;
private int level;
public Faculty()
{ this("00:00",0);
}
public Faculty(String time,int level)
{
super(1,0.0,"defaultvalue");
this.time=time;
this.level=level;
}
public Faculty(String name,String time,int level)
{
super.setName(name);
this.time=time;
this.level=level;
}
public String toString()
{
//这样写不行,说是没定义
return super.super.toString();
}
}class Staff extends Employee
{
}
编译器嘛,我也不知道~JAVAC算不算?好像只是个命令,哈哈
如果你一定要这么用,你还是在调用前先声明一个父类的父类的对象把