用JAVA编写的图书管理系统

//package test.part2;

 class student
 {
  String name;
  int id;
  String cl;
  String sex;
  int age;
 
  public student()
  {
 
  }
  public student(String name,int id,String cl,String sex,int age)
  {
  this.name=name;
  this.id=id;
  this.cl=cl;
  this.sex=sex;
  this.age=age;
  }
 
  public String getName()
  {
  return name;
  }
  public int getId()
  {
  return id;