Tutorial: Generics
by Gilad Bracha
Introduced in J2SE 5.0, this long-awaited enhancement to the type system allows a type or method to operate on objects of various types while providing compile-time type safety. It adds compile-time type safety to the Collections Framework and eliminates the drudgery of casting.
- Introduction
- Defining Simple Generics
- Generics and Subtyping
- Wildcards
- Generic Methods
- Interoperating with Legacy Code
- The Fine Print
- Class Literals as Runtime-Type Tokens
- More Fun with Wildcards
- Converting Legacy Code to Use Generics
- Acknowledgements
- Defining Simple Generics