This is a great intro book for Java. Ivor is a very, and I mean VERY good teacher, having the two most important qualities needed to teach effectively: clarity & patience. You will not find confusing and hasty or "terse" (another word for cryptic)explanations here, but this comes to the price that sometimes
this text will be even "too clear" so you must be the type that
can appreciate a calm, relaxed pace and is not a fan of a "fast & furious" style. My personal opinion is that a little patience
is not a big price to pay to get a solid foundation ... but that is just my idea..
You should also note that this book will teach you the foundations of the language in detail and will touch on some of the APIs (xml, graphics) but it is not going to cover technologies like Servlets, JSP, EJB and with good reason since doing that would be insane in an intro book. Don't worry though, with Classes & Inheritance, Threads , Streams, Collections, Graphics and XML you will have more than enough to digest. To sum it up, do you prefer to learn Java by a young, rampant, hasty, cocky young teacher or from a older, wiser one? Your choice.