class Timing{
	public static void main2(String[] args){
		long start;
		BBB b = new BBB();
		AAA a = new AAA();
		boolean h;
		start = System.currentTimeMillis();
		for (int i = 0; i <100000000; i++)
			h = (b instanceof BBB);
		System.out.println("is kind of takes: " + (System.currentTimeMillis()-start));
		
		start = System.currentTimeMillis();
		for (int i = 0; i <100000000; i++)
			h = ((b != null) && (b.getClass() == a.getClass() ));
		System.out.println("getClass: " + (System.currentTimeMillis()-start));
		a = null;
		System.out.println(a instanceof AAA);
	}
	
	public static void main(String[] args){
		long start;
		Ball b1 = new Ball("Red");
		Ball b2 = new Ball("Blue");
		String s = "hello";
		boolean h;
		start = System.currentTimeMillis();
		for (int i = 0; i <10000000; i++)
			h = (b1.equals2(b2));
		System.out.println("equals of takes: " + (System.currentTimeMillis()-start));
		
		start = System.currentTimeMillis();
		for (int i = 0; i <10000000; i++)
			h = b1.equals2(s);
		System.out.println("equals2: " + (System.currentTimeMillis()-start));
	}
}