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hide his agitation or his deep-seated belief that the hurdles for the next successful language are incredibly high, and that we'll still be coding in Java for the foreseeable future. He could well be right. But I've come to recognize some real limitations in the Java language, and many of the frameworks that power it. For certain problems, Java just isn't productive enough for me anymore. I've experienced success with some alternatives. Though a language can last half a century to support legacy applications, I know no language can keep its leadership and its luster forever. Java's reign will end. It's not a question of if, but when.

Who Should Read This Book?

When C++ faded into relative obscurity, many of my best friends got burned, badly. They didn't recognize that change was in the air, or how violently change could come. Though I have a whole lot to lose, I'm writing this book because I don't want to see it happen again. If you don't want to be caught by surprise, you need to read this book.

If you think I'm right, you can start to build your skills accordingly. You might download some of the frameworks I discuss, and learn a few new languages. This book will teach you what a new language needs to succeed. If I've gotten lucky and found one of the likely winners, you'll be just a little bit more prepared when things do change.

If you think I am wrong, you can use the best techniques from the best frameworks written in any language to improve what you're doing in Java today. New frameworks like PHP, C Omega for .NET, and Ruby on Rails will come occasionally. You need to know about them, and understand how to evaluate them.

Either way, you win. It's time to start paying attention again. It's time to look to the horizon, beyond Java.

Conventions

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Used for user input in text and in examples showing both input and output. Also used for emphasis in code, and in order to indicate a block of text included in an annotated call-out.

Using Code Examples

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