小型学生管理系统的架构设计

package Studentdemain;

public class Student {
private String name;
private int age ;
private int score;
private int sid;

    //构造方法
    public Student(String name, int age, int score, int sid) {
        super();
        this.name = name;
        this.age = age;
        this.score = score;
        this.sid = sid;
    }

    //shou方法
    public void show(){
        System.out.println("学生姓名："+name+"学生年龄："+age+"学生分数："+score+"学生学号："+sid);
    }

    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 int getScore() {
        return score;
    }

    public void setScore(int score) {
        this.score = score;
    }

    public int getSid() {
        return sid;
    }

    public void setSid(int sid) {
        this.sid = sid;
    }

}

//测试类
package StudentTest;
import java.util.Scanner;

import Studentdemain.Student;

public class StudentTest {

public static void main(String[] args) {
    // TODO Auto-generated method stub
    boolean flag = true;
    Student[] student = new Student[3];
    Scanner input = new Scanner(System.in);
    Scanner input1 = new Scanner(System.in);

    while (true) {
        System.out.println("------------小商品管理系统-----------");
        System.out.println("1：录入学生信息");
        System.out.println("2:查看学生信息");
        System.out.println("0:退出系统");
        System.out.print("请选择：");
        int num = input1.nextInt(); // 从键盘获得的第一个值
        String name;
        int age;
        int score;
        int sid;
        switch (num) {
        case 1: {
            for (int i = 0; i < 3; i++) {
                System.out.print("请输入第"+(i+1)+"个学生姓名：");
                name = input.nextLine();
                System.out.print("请输入第"+(i+1)+"个学生年龄");
                age = input1.nextInt();
                System.out.print("请输入第"+(i+1)+"个学生分数");
                score = input1.nextInt();
                System.out.print("请输入第"+(i+1)+"个学生学号");
                sid = input1.nextInt();
                do{
                    if(score<=100 && score>0){
                        flag=false;
                    }else{
                        System.out.println("分数输入不正确");
                        System.out.println("请重新输入分数");
                        score=input1.nextInt();
                        break;
                    }
                }while(flag);                                                                                                       
                student[i] = new Student(name, age, score, sid);    
            }
        }break;
        case 2:{
            for(Student st:student){ 
                st.show();
                }
            }break;
        case 0:{
            System.out.println("退出系统成功");

        }
        }

    }

}

}