Oracle Tools

NetBeans

NetBeans is really three things; the NetBeans IDE (Integrated Development Environment), the NetBeans RCP (Rich Client Platform), and the NetBeans Community. NetBeans IDE
Learning path for NetBeans

•  Start with NetBeans IDE Java Quick Start Tutorial
•  Overview of platform: Video Screencasts and Complete the following tutorials 
•  Learn about Developing General Java Applications
• NetBeans JavaFX Composer—Developing Rich Clients for the Enterprise, Part 1

NetBeans Community:
Familiarize yourself with the content about the NetBeans community

Oracle JDeveloper

Oracle JDeveloper is a free integrated development environment that simplifies the development of Java-based SOA applications and user gui-interfaces with support for the full development life cycle.

• JDeveloper Development Experience (demo)
• Complete Life Cycle (demo)
• Oracle ADF 11g Demo (demo)
• FAQ - Oracle JDeveloper and ADF 11g

Tutorials

• Developing Rich Web Applications with Oracle ADF 
• Developing RIA Web Applications with JPA/EJB 3.0/JSF
• More Tutorials

VirtualBox

The VirtualBox enables desktop or laptop computers to simultaneously run multiple operating systems, allowing users to get the most flexibility and utilization out of their PCs.

• Watch the VirtualBox Tour
• Read Chapter 1 of the User Guide

SunSPOT

SunSPOT  is  an embedded microprocessor that runs Java that allows users to develop applications on devices. The Sun SPOT Java Development Kit is in use in schools and universities, research labs and hobbyist experiments around the world.

• Start with the General Frequent Ask Questions FAQ
• Learning the core Sun SPOT operation: Theory Of Operation

• Details usage of the Sun SPOT: Owners Manual