[Java] 纯文本查看 复制代码
class Swap {
public static void main(String[] args){
Student s = new Student();
s.setName("博");
s.setAge(21);
System.out.println(s.getName()+".."+s.getAge());
s.eat();
s.study();
System.out.println("----------------");
Teacher t = new Teacher("李",25);
System.out.println(t.getName()+".."+t.getAge());
t.eat();
t.teach();
}
}
abstract class Person {
private String name;
private int age;
public Person(){}
public Person(String name,int age){
this.name = name;
this.age = age;
}
public String getName(){
return name;
}
public void setName(String name){
this.name = name;
}
public int getAge(){
return age;
}
public void setAge(int age){
this.age = age;
}
public abstract void eat();
}
class Student extends Person{
public Student(){}
public Student(String name,int age){
super(name,age);
}
public void eat(){
System.out.println("学生吃饭");
}
public void study(){
System.out.println("学生学习");
}
}
class Teacher extends Person{
public Teacher(){}
public Teacher(String name,int age){
super(name,age);
}
public void eat(){
System.out.println("老师吃饭");
}
public void teach(){
System.out.println("老师教学");
}
}