tailieunhanh - Head First Software Development

If the customer’s unhappy, everyone’s unhappy! Every great piece of software starts with a customer’s big idea. It’s your job as a professional software developer to bring those ideas to life. But taking a vague idea and turning it into working code—code that satisfies your customer—isn’t so easy. In this chapter you’ll learn how to avoid being a software development casualty by delivering software that is needed, on-time, and on-budget. Grab your laptop and let’s set out on the road to shipping great software. | A Brain-Friendly Guide Head First Software Learn the real user story of how Mary-satisfied her customers 1 Use test-driven development to avoid unsightly software disasters Score big by using velocity to figure out how fast your team can produce Keep your project on schedule by tracking your burndown rate Master the techniques and tools of seasoned software developers o REILLY Dan Pilone Russ Miles Head First Software Development by Dan Pilone and Russ Miles Copyright 2008 O Reilly Media Inc. All rights reserved. Printed in the United States of America. Published by O Reilly Media Inc. 1005 Gravenstein Highway North Sebastopol CA 95472. O Reilly Media books may be purchased for educational business or sales promotional use. Online editions are also available for most titles . For more information contact our corporate institutional sales department 800 998-9938 or corporate@. Series Creators Series Editor Design Editor Cover Designers Production Editor Kathy Sierra Bert Bates Brett D. McLaughlin Louise Barr Louise Barr Steve Fehler Sanders Kleinfeld Indexer Julie Hawks Page Viewers Printing History December 2007 First Edition. Vinny Nick Tracey and Corinne l ihhy Tracey Mck and t an The O Reilly logo is a registered trademark of O Reilly Media Inc. The Head First series designations Head First Software Development and related trade dress are trademarks of O Reilly Media Inc. Java and all Javabased trademarks and logos are trademarks or registered trademarks of Sun Microsystems Inc. in the United States and other countries. O Reilly Media Inc. is independent of Sun Microsystems. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book and O Reilly Media Inc. was aware of a trademark claim the designations have been printed in caps or initial caps. While every precaution has been taken in the preparation of this book the publisher and