mybook.java~4~

音像管理软件

package mediasystem.media;

import java.util.Date;


public class MyBook extends MyMedia {
  private Date publishDate;
  private String bookISBN;

  public String getPublishDate(){
    String year = publishDate.getYear()%100 + "";
    String month = publishDate.getMonth() + "";
    String day = publishDate.getDay() + "";
    return year+month+day;
  }

  public void setPublishDate(Date publishDate){
    this.publishDate = publishDate;
  }

  public String getBookISBN(){
    return bookISBN;
  }

  public void setBookISBN(String bookISBN){
    this.bookISBN = bookISBN;
  }
}