[Java] 纯文本查看 复制代码
class Demo_Student {
public static void main(String[] args) {
Student s = new Student("hello",23);
System.out.println(s.getName()+".."+s.getAge());
s.eat();
s.study();
}
}
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 void eat(){
System.out.println("吃饭吃饭");
}
}
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");
}
}