This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
What do you mean by "system classes" - the java.lang.System class? It has extensive javadoc documentation that should answer most questions you may have about its methods. If any particular method has you scratching your head, tell us which one and we'll try to fill in the blanks. [ September 09, 2008: Message edited by: Ulf Dittmer ]
I’ve looked at a lot of different solutions, and in my humble opinion Aspose is the way to go. Here’s the link: http://aspose.com