Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

Today both Vector and Hashtable are generic classes, but back then generics were not part of the Java language.

Almost every article or lecture about generics touches on collections and shows how to build a Stack<T>. Collections and stack building are an obvious choice, but generics have many other uses.

I'm working with a code base that currently uses both collections4 and guava (and some LambdaJ), and I'm thinking of making a strong push towards eliminating one or the other. A bunch of stuff I've ...