student.java

JAVA程序设计大作业

/**
  文件：Student.java
  说明：说明文件的类文件
 **/
 
 package data;
 import java.util.*;
 import data.Person;
 
 public class Student extends Person
 {
 	//学号
 	public String sno;
 	//院系名称
 	public String department;
 	//入学日期
 	public Date enrollmentDate;
 	//构造方法1
 	public Student(String ID,String name,String sex,Date birthday,String sno,
 		String department,Date enrollmentDate)
 	{
 		super(ID,name,sex,birthday);
 		this.sno=sno;
 		this.department=department;
 		this.enrollmentDate=enrollmentDate;
 	}
 	//构造方法2
 	public Student(String sno,String name,String sex,String department,
 		Date enrollmentDate)
 	{
 		super(null,name,sex,null);
 		this.sno=sno;
 		this.department=department;
 		this.enrollmentDate=enrollmentDate;
 	}
 	
 	//构造方法3
 	public Student(String sno,String name,String sex,String department,
 		Date birthday,Date enrollmentDate)
 	{
 		super(null,name,sex,birthday);
 		this.sno=sno;
 		this.department=department;
 		this.enrollmentDate=enrollmentDate;
 	}
 	//构造方法4
 	public Student(String sno,String name,String sex,Date birthday,String department)
 	{
 		super(null,name,sex,birthday);
 		this.sno=sno;
 		this.department=department;
 		
 	}
 	Student next;
 }