设计一个person类java_定义一个Person类，含姓名、性别、年龄等字段；继承Person类设计...

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package test2;

public class Person {

int age;

String name;

String gender;

public Person(int Age,String Name,String Gender) {

this.age=Age;

this.name=Name;

this.gender=Gender;

}

public String toString() {

return "姓名:"+name+"性别:"+gender+"年龄:"+age;

}

public static class Teacher extends Person{

static String title;

static String department;

public Teacher(String Title,String Department) {

super(Age,Name,Gender);

this.title=Title;

this.department=Department;

}

public String toString() {

return "姓名:"+name+"性别:"+gender+"年龄:"+age+"职称:"+title+"部门:"+department;

}

public static class Student extends Person{

int num;

int time;

String professional;

public Student(int Num,int Time,String Professional) {

super(Age,Name,Gender);

num=Num;

time=Time;

professional=Professional;

}

public String toString() {

return "姓名:"+name+"性别:"+gender+"年龄:"+age+"职称:"+title+"部门:"+department+"学号:"+num+"入学时间:"+time+"专业:"+professional;

}

public static void main(String args[]) {

Person s1=new Person("千寻","女",18);

System.out.println(s1);

Person s2=new Person("小嗝嗝",男,19,"驯龙高手","技术");

System.out.println(s2);

Person s3=new Person("波妞",女,17,"编程","技术部门","2017007","2017","通信");

System.out.println(s3);

}

}

}

能否帮忙看一下，求指教