package 继承;
import java.util.Scanner;
/*
* 定义一个人类，包括属性：姓名；包括方法：吃饭、工作。
* （1）根据人类，派生一个学生类，增加属性：学校、学号；重写工作方法（学生的工作是学习）。
* （2）根据人类，派生一个教师类，增加属性：单位、工龄；重写工作方法（教师的工作是教学）。
* 注意：在每个类中最好都应该有自己的属性的输入输出方法。
*
*/
class person {
String name;
public void input_info(){
System.out.println("input person inforation:");
System.out.println(" name ");
Scanner sc = new Scanner(System.in);
name = sc.next();
System.out.println();
}
public void output_info(){
System.out.println("person inforation:");
System.out.println("person name: "+name);
System.out.println();
}
public void eat(){
System.out.println("person like eat...");
System.out.println();
}
public void work(){
System.out.println( " person " + name + " like work...");
System.out.println();
}
}
class student extends person{
String number;
String school;
public void input_info(){
System.out.println("input student inforation:");
System.out.println("name number school");
Scanner sc = new Scanner(System.in);
name = sc.next();
number = sc.next();
school = sc.next();
System.out.println();
}
public void output_info(){
System.out.println("student inforation:");
System.out.println("student name: "+name);
System.out.println("student number: " + number);
System.out.println("student school: " + school);
System.out.println();
}
public void work(){
System.out.println("student " + name + " like study...");
System.out.println();
}
}
class techer extends person{
String workplace;
int age;
public void input_info(){
System.out.println("input techer inforation:");
System.out.println("name workplace age");
Scanner sc = new Scanner(System.in);
name = sc.next();
workplace = sc.next();
age = sc.nextInt();
System.out.println();
}
public void output_info(){
System.out.println("techer inforation:");
System.out.println("techer name: "+name);
System.out.println("techer workplace: " + workplace);
System.out.println("techer school: " + age);
System.out.println();
}
public void work(){
System.out.println("techer " + name + " like teching...");
System.out.println();
}
}
测试类：
package 继承;
public class person_test {
public static void main(String[] args) {
person p = new person();
student s = new student();
techer t = new techer();
p.input_info();
p.output_info();
p.work();
p.eat();
s.input_info();
s.eat();
s.work();
s.output_info();
t.input_info();
t.eat();
t.work();
t.output_info();
}
}
测试结果：