面向对象之二：继承性

class Person{
    private String name;
    private int age;
    public void setName(String name){
        this.name = name ;
    }
    public String getName(){
        return name;
    }
    public void setAge(int age){
        this.age = age ;
    }
    public int getAge(){
        return age ;
    }
}
class Student extends Person{
    private String school ;
    public void setSchool(String school){
        this.school = school ;
    }
    public String getSchool(){
        return school ;
    }
}
public class Test{
    public static void main(String args[]){
        Student stu = new Student();
        stu.setName("小学生");//父类方法
        stu.setAge(18);//父类方法
        stu.setSchool("蓝翔挖掘机专修学院"); //自身方法
        System.out.println(stu.getName()+"、"  + stu.getAge() + "、" + stu.getSchool());
    }
}