public class Student {
    String name;
    int age;
    String classNo;
    String hobby;
    public void showCenter(){
        System.out.println(name + "\n年龄:" + age + "\n就读于:" + classNo + "\n爱好:" + hobby);
    }
}
public class InitialStudent {
    public static void main(String[] args){
        Student center = new Student();
        center.name = "张浩";
        center.age = 10;
        center.classNo = "S1班";
        center.hobby = "篮球";
        center.showCenter();
    }
}