Beginning Java 7 guides you through this language and a huge assortment of platform APIs according to the following table of contents:

Chapter 1: Getting Started with Java
Chapter 2: Discovering Classes and Objects
Chapter 3: Exploring Advanced Language Features
Chapter 4: Touring Language APIs
Chapter 5: Collecting Objects
Chapter 6: Touring Additional Utility APIs
Chapter 7: Creating and Enriching Graphical User Interfaces
Chapter 8: Interacting with Filesystems
Chapter 9: Interacting with Networks and Databases
Chapter 10: Parsing, Creating, and Transforming XML Documents
Chapter 11: Working with Web Services
Chapter 12: Java 7 Meets Android
Appendix A: Solutions to Exercises
Appendix B: Scripting API and Dynamically Typed Language Support
Appendix C: Odds and Ends
Appendix D: Applications Gallery