In just 21 days you can acquire the knowledge and skills necessary to develop applications on your computer and apps that run on Android phones and tablets. With this complete tutorial you’ll quickly master the basics and then move on to more advanced features and concepts.

Completely updated for Java 8, this book teaches you about the Java language and how to use it to create applications for any computing environment and Android apps. By the time you have finished the book, you’ll have well-rounded knowledge of Java and the Java class libraries. Using your new skills, you will be able to develop your own programs for tasks such as web services, database connectivity, XML processing, and mobile programming.

No previous programming experience required. By following the 21 carefully organized lessons in this book, anyone can learn the basics of Java programming.

Learn at your own pace. You can work through each chapter sequentially to make sure you thoroughly understand all the concepts and methodologies, or you can focus on specific lessons to learn the techniques that interest you most.

Test your knowledge. Each chapter ends with a Workshop section filled with questions, answers, and exercises for further study. There are even certification practice questions.

Completely revised, updated, and expanded to cover the latest features of Java 8
Learn to develop Java applications and Android apps using NetBeans and Google’s new Android Studio -- two excellent (and free!) programming platforms
Covers new features of Java 8 such as closures, the most eagerly anticipated language feature in years
Easy-to-understand, practical examples clearly illustrate the fundamentals of Java programming
Discover how Swing can help you quickly develop programs with a graphical user interface
Find out about JDBC 4.2 programming with the Derby database and XML parsing with the open source XOM class library
Learn how to use streams to write programs that communicate with the Internet, including socket programming, buffers, channels, and URL handling.

Contents at a Glance

WEEK 1: The Java Language

DAY 1 Getting Started with Java

DAY 2 The ABCs of Programming

DAY 3 Working with Objects

DAY 4 Lists, Logic, and Loops

DAY 5 Creating Classesand Methods

DAY 6 Packages, Interfaces, and Other Class Features

DAY 7 Exceptions and Threads

WEEK 2: The Java Class Library

DAY 8 Data Structures

DAY 9 Working with Swing

DAY 10 Building a Swing Interface

DAY 11 Arranging Components on a User Interface

DAY 12 Responding to User Input

DAY 13 Creating Java2D Graphics

DAY 14 Developing Swing Applications

WEEK 3: Java Programming

DAY 15 Working with Input and Output

DAY 16 Using Inner Classes and Closures

DAY 17 Communicating Across the Internet

DAY 18 Accessing Databases with JDBC 4.2 and Derby

DAY 19 Reading and Writing RSS Feeds

DAY 20 XML Web Services

DAY 21 Writing Android Apps for Java

APPENDIX A Using the NetBeans IDE

APPENDIX B This Book’s Website

APPENDIX C Fixing a Problem with the Android Studio Emulator

APPENDIX D Using the Java Development Kit

APPENDIX E Programming with the Java Development Kit

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