mybook.java

音像管理软件

package mediasystem.media;



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

  public String getPublishDate(){
    return publishDate;
  }

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

  public String getBookISBN(){
    return bookISBN;
  }

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