public class CD extends CatalogItem {
  private String title;
  private String artist;

  public CD(String inTitle, String inArtist, double inPrice,
    int inQuantity) {
    
    super(inPrice, inQuantity);
    title = inTitle;
    artist = inArtist;
  }

  public String getTitle() {
    return title;
  }

  public String getArtist() {
    return artist;
  }

  public String toString() {
    return ("CD " + title + " recorded by " + artist +
      " costs $" + getPrice() + " quantity in inventory is " +
      + checkQuantity());
  }
  public boolean equals(Object obj) {
    if(obj instanceof CD) {
      CD cd = (CD) obj;
      return (title.equals(cd.getTitle()) && 
        artist.equals(cd.getArtist()) );
    }
    return false;
  }
}
