WithLambda.java

class WithLambda {
  public static void main(String[] args) {
		Runnable r = () -> System.out.println("and it works...");
		r.run();
	}
}

WithoutLambda.java

class WithoutLambda {
  public static void main(String[] args) {
		Runnable r = new Runnable() {
			public void run() {
				System.out.println("and it works...");
			}
		};
		r.run();
	}
}