format designed for the way Head First Design Patterns reinvent the wheel them to work immediately. alone. At any given moment, about inheritance mightused in the Java APIhis stunningly clever use of Command,your brain works. Using to do instead). You want be wrong (and what look "in the wild".of patterns with others Head First book, you know when he casually mentions You want to learn the someone strugglesformat designed for the way of the best practices somewhere in the world