Song.java

public class Song {
    private String title;
    private String artist;
    private int duration;
    private User owner;

    public Song() {
	this("", "", 0, 0);
    }

    public Song(String t, String a, int m, int s) {
	title = t;
	artist = a;
	duration = m * 60 + s;
	owner = null;
    }
    
    
    public void setOwner(User owner) {
	this.owner = owner;
    }
    
    public User getOwner() {
	return owner;
    }

    public String getTitle() {
	return title;
    }

    public String getArtist() {
	return artist;
    }

    public int getDuration() {
	return duration;
    }

    public int getMinutes() {
	return duration / 60;
    }

    public int getSeconds() {
	return duration % 60;
    }

    public String toString() {
	return ("\"" + title + "\" by " + artist + " " + (duration / 60) + ":" + (duration % 60));
    }
}