Teach Yourself Java in 21 Days (7th Edition)

Welcome to the web site for the book Teach Yourself Java in 21 Days (7th Edition) by Rogers Cadenhead. Fully updated for Java 8, the book teaches Java programming to beginners and experienced programmers, introducing new features of the language and covering exciting new areas of development such as Android app development.

Use these links for information related to a specific day in the book:

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 Classes and 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

Appendixes

Appendix A: Using the NetBeans Integrated Development Environment
Appendix B: This Book's Web Site
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

What's New

Most recent additions to this site:

Day 14: Updated link to try a demo of Java Web Start. (02-18-2016)
Day 11: Correction to the answers on the certification practice question (02-16-2016)
This site was launched (02-14-2016).

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Teach Yourself Java in 21 Days (7th Edition)

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