cd.java

现在在国外大学里最流行的java学习软件,同时还有大量的example,在名为project的文件里.安装好后用bluej打开peoject的例子,可以进行你想要的任何变化.同时可以了解大量的源码

/**
 * The CD class represents a CD object. Information about the 
 * CD is stored and can be retrieved.
 * 
 * @author Michael Kolling and David J. Barnes
 * @version 2006.03.30
 */
public class CD extends Item
{
    private String artist;
    private int numberOfTracks;

    /**
     * Initialize the CD.
     * @param theTitle The title of the CD.
     * @param theArtist The artist of the CD.
     * @param tracks The number of tracks on the CD.
     * @param time The playing time of the CD.
     */
    public CD(String theTitle, String theArtist, int tracks, int time)
    {
        super(theTitle, time);
        artist = theArtist;
        numberOfTracks = tracks;
    }

    /**
     * @return The artist for this CD.
     */
    public String getArtist()
    {
        return artist;
    }

    /**
     * @return The number of tracks on this CD.
     */
    public int getNumberOfTracks()
    {
        return numberOfTracks;
    }

    /**
     * Print details of this CD to the text terminal.
     */
    public void print()
    {
        System.out.println("    " + artist);
        System.out.println("    tracks: " + numberOfTracks);
    }
}