The FAQ has 4 major sections:

• Fundamentals of Java Generics
• Language Features of Java Generics
• Practicalities - Programming With Java Generics
• Technicalities - Under the Hood of the Compiler

"Fundamentals of Java Generics"  explains the very basics of Java generics, what generics are and what their purpose and benefit it.

"Language Features of Java Generics" is a huge section that explains all language features of Java Generics.

Practicalities - Programming With Java Generics" aims to address issues that arise when you use Java Generics in practice.  It discusses topics such as "How do I design a generics API?" , "Should my class be generic or not?", "What happens when I mix generic and non-generic Java?", "Why is class Class generic and what is good for?".  The focus is on programming techniques on the one hand and pitfalls and surprises on the other hand.  It is likely that this section will grow over time as programming idioms and techniques using Java Generics will be discovered.

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