Java in 21 Days, Sams Teach Yourself (Covering Java 9)

Rogers Cadenhead  
Sams Publishing
Total pages
December 2018
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Java in 21 Days, Sams Teach Yourself (Covering Java 9)
51.10 approx. 7-9 days


In arenas ranging from enterprise development to Android app programming, Java remains one of the world's most popular programming languages. Sams Teach Yourself Java in 21 Days helps the serious learner gain true mastery over the new Java 9.


In this book's straightforward, step-by-step approach, each lesson builds on everything that's come before, helping readers learn Java's core features and techniques from the ground up. Friendly, accessible, and conversational, this book offers a practical grounding in the language, without ever becoming overwhelming or intimidating.


  • Updated to cover Java 9 features such as JDK modularization
  • Designed for the serious learner who wants to thoroughly learn the fundamentals of Java programming
  • Acclaimed for its clear and personable writing, for its high-quality examples, and for its logical and complete organization

New to this Edition

Java 9 and new features such as JDK modularization are covered in this new edition. The book's examples have been extensively refreshed and updated, with more visual examples and diagrams. This edition of the book continues to use the NetBeans IDE, which has proven to be helpful for readers who don't want to master a command-line environment just to develop Java programs.

Table of Contents

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, Assertions, 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 XRender Graphics
Day 14 Developing Swing Applications


Week 3 Java Programming
Day 15 Working with Input and Output
Day 16 Serializing and Examining Objects
Day 17 Communicating Across the Internet
Day 18 Accessing Databases with JDBC and Derby
Day 19 Reading and Writing RSS Feeds
Day 20 XML Web Services
Day 21 Writing Android Apps for Java


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