printedresource.java

一个学生登陆学校library

public class PrintedResource extends Item{

	public PrintedResource(String callNumber, String title, String dateOfPublication,String author,String publisher) 
	{
		super(callNumber, title, dateOfPublication);
		setAuthor(author);
		setPublisher(publisher);
	}
	private String author;
	private String publisher;
	public void setAuthor(String author)
	{
		this.author=author;
	}
	public void setPublisher(String publisher)
	{
		this.publisher=publisher;
	}
	public String getAuthor()
	{
		return author;
	}
	public String getPublisher()
	{
		return publisher;
	}
	

}