abstractstudent.java

一个学籍管理系统。

import java.io.*;
public abstract class AbstractStudent implements Serializable
{
    protected String _name;
    protected int _age;
    protected int _studentID;
    protected String _enrollmentyear;
  
    public void setStudentID(int studentID)
    {
    	_studentID=studentID;
    	
    }
    public int getStudentID()
    {
    	return _studentID;
    }
    public AbstractStudent()
    {
    	_enrollmentyear="2004/9";
    }
    public void setYear(String year)
    {
    	_enrollmentyear=year;
    }
    public void setAge(int age)
    {
    	_age=age;
    }
    public int getAge()
    {
    	return _age;
    }
    public String getYear()
    {
    	return _enrollmentyear.toString();
    }
    public void setName(String name)
    {
    	_name=name;
    }
    public String getName()
	{
		return _name;
	}
    public void showStudentInfo() {
        System.out.println("Student: ");
        System.out.println("name: " + _name +
                         "\tage: " + _age +
                         "\tstudnetID: " + _studentID);
    }

    public String toString() {
        return _name + "," + _studentID;
    }
}