// Representation of a musical track

public class Tune {
	private String artist; // Performer of the piece
	
	private String title;  // Name of the track  
	
	private int year;      // Release year
	
	public Tune() {
		this.setArtist("Thomas Alva Edison");
		this.setTitle("Mary had a little lamb");
		this.setYear(1877);
	}
	
	public void setArtist(String performer) {
		this.artist = performer;
	}
	
	public void setTitle(String track) {
		this.title = track;
	}
	
	public void setYear(int date) {
		this.year = date;
	}
	
	public String toString() {
		String performer = this.getArtist();
		String track     = this.getTitle();
		int date         = this.getYear();
		
		String result = "Tune( " + performer + ", " + track + ", " + date + " )";
	
		return result;	
	}
	
	public static void main(String[] args) {
		Tune tune1 = new Tune();
		Tune tune2 = new Tune();
		
		tune2.setArtist("Paul McCartney");
		tune2.setYear(1972);
		
		System.out.println( "tune1: " + tune1 );
		System.out.println( "tune2: " + tune2 );
		System.out.println( "Same artist: " + tune1.sameArtist(tune2) );
		System.out.println( "Same title: " + tune1.sameTitle(tune2) );
	}
	

	// comparators 
	public boolean sameArtist(Tune that ) {
		String s1 = this.getArtist();
		String s2 = that.getArtist();
		
		if ( s1.equals(s2) ) {
			return true;
		}
		else {
			return false;
		}
	}

	public boolean sameTitle(Tune that ) {
		String s1 = this.getTitle();
		String s2 = that.getTitle();
		
		if ( s1.equals(s2) ) {
			return true;
		}
		else {
			return false;
		}
	}
	// inspectors
	public String getArtist() {
		return this.artist;
	}
	
	public String getTitle() {
		return this.title;
	}
	
	public int getYear() {
		return this.year;
	}
}