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Computer programming with Java is easier than it looks. In just 24 lessons of one hour or less, you can learn to write computer programs in Java.

Using a straightforward, step-by-step approach, popular author Rogers Cadenhead helps you master the skills and technology you need to create desktop and web programs, web services, an Android app, and even Minecraft mods in Java.

Each lesson builds on what you’ve already learned, giving you a rock-solid foundation for real-world success.

Full-color figures and clear step-by-step instructions visually show you how to program with Java.

Quizzes and Exercises at the end of each chapter help you test your knowledge.

Notes, Tips, and Cautions provide related information, advice, and warnings.

Learn how to…

• Set up your Java programming environment

• Write your first working program in just minutes

• Control program decisions and behavior

• Store and work with information

• Build straightforward user interfaces

• Create interactive web programs

• Use threading to build more responsive programs

• Read and write files and XML data

• Master best practices for object-oriented programming

• Use Java 9’s new HTTP client

• Use Java to create an Android app

• Expand your skills with closures

• Create Minecraft mods with Java

Contents at a Glance

Part I Getting Started

1 Becoming a Programmer

2 Writing Your First Program

3 Vacationing in Java

4 Understanding How Java Programs Work

Part II Learning the Basics of Programming

5 Storing and Changing Information in a Program

6 Using Strings to Communicate

7 Using Conditional Tests to Make Decisions

8 Repeating an Action with Loops

Part III Working with Information in New Ways

9 Storing Information with Arrays

10 Creating Your First Object

11 Describing What Your Object is Like

12 Making the Most of Existing Objects

Part IV Moving into Advanced Topics

13 Storing Objects in Data Structures

14 Handling Errors in a Program

15 Creating a Threaded Program

16 Using Inner Classes and Closures

Part V Programming a Graphical User Interface

17 Building a Simple User Interface in Swing

18 Laying Out a User Interface

19 Responding to User Input

Part VI Writing Internet Applications

20 Reading and Writing Files

21 Using Java 9's New HTTP Client

22 Creating Java2D Graphics

23 Creating Minecraft Mods with Java

24 Writing Android Apps

Appendixes

A Using the NetBeans Integrated Development Environment

B Where to Go from Here Java Resources

C This Book's Web Site

D Fixing a Problem with the Android Studio Emulator

Java in 24 Hours, Sams Teach Yourself (Covering Java 9)

• 1 Becoming a Programmer
• 2 Writing Your First Program
• 3 Vacationing in Java
• 4 Understanding How Java Programs Work
• 5 Storing and Changing Information in a Program
• 6 Using Strings to Communicate
• 7 Using Conditional Tests to Make Decisions
• 8 Repeating an Action with Loops
• 9 Storing Information with Arrays
• 10 Creating Your First Object
• 11 Describing What Your Object is Like
• 12 Making the Most of Existing Objects
• 13 Building a Simple User Interface
• 14 Laying Out a User Interface
• 15 Responding to User Input
• 16 Building a Complex User Interface
• 17 Storing Objects in Data Structures
• 18 Handling Errors in a Program
• 19 Creating a Threaded Program
• 20 Using Inner Classes and Closures
• 21 Reading and Writing Files
• 22 Creating Web Services with JAX-WS
• 23 Working with Java2D Graphics
• 24 Writing Android Apps