わーい、すごーい

public class Friends {
	public static void main(String[] args) {
		wai();
		sugoi();
		tanoshii();
		friends( "クソリプ" );
	}

	public static void wai() {
		System.out.println( "わーい" );
	}

	public static void sugoi() {
		System.out.println( "すごーい" );
	}

	public static void tanoshii() {
		System.out.println( "たのしー" );
	}

	public static void friends( String skill ) {
		System.out.println( String.format("君は%sがとくいな、フレンズなんだね!!", skill) );
	}
}

便乗。
http://qiita.com/t_ishida/items/bae7e62950d81f427f13