lesson.java

学生成绩表

public class Lesson
{
	private int Id;
	private String LName;
	private Date TestDate;
	private String TeaName;
	private static int NumId=0;
	
	Lesson()
	{
		NumId++;
		Id=NumId;
		LName="-";
		TestDate=new Date(2000,1,1);
		TeaName="-";
	}
	Lesson(String LName,String TestDate,String TeaName)
	{
		NumId++;
		Id=NumId;
		this.LName=LName;
		this.TestDate=new Date(Integer.parseInt(TestDate.substring(0,4)),Integer.parseInt(TestDate.substring(5,7)),Integer.parseInt(TestDate.substring(8,10)));
		this.TeaName=TeaName;
	}
	public int getId(){return Id;}
	
	public String getLName(){return LName;}
	public void setLName(String LName){this.LName=LName;}
	
	public Date getTestDate(){return TestDate;}
	public void setTestDate(String TestDate)
		{this.TestDate=new Date(Integer.parseInt(TestDate.substring(1,4)),Integer.parseInt(TestDate.substring(6,7)),Integer.parseInt(TestDate.substring(9,10)));}
	
	public String getTeaName(){return TeaName;}
	public void setTeaName(String TeaName){this.TeaName=TeaName;}

	public String toString()
	{return "课程编码:"+Id+"						课程名称:"+LName+"\n考试日期:"+TestDate+"		教师姓名:"+TeaName;}
}