class Single {
    String artist;
    Song3 aSide;
    Song3 bSide;
    
    Single( String _artist, Song3 _aSide, Song3 _bSide ) {
        this.artist = _artist;
        this.aSide = _aSide;
        this.bSide = _bSide;
    }
    
    String getTitle( /* Single this */ ) {
        return this.aSide.title + " b/w " + this.bSide.title;
    }
    
    static void testAll() {
        Single tt = new Single( "Ke$ha", new Song3("Ke$ha","Tik Tok",182,true), new Song3("Ke$ha", "Up the Clock", 92, false) );
        Object120.printTestMsg("Single#getTitle");
        Object120.assertEquals( tt.getTitle(), "Tik Tok b/w Up the Clock" );
    }

    public static void main( String[] args ) { testAll(); }
}