Generics in Java enhance the type safety of your code and make it easier to read. In my last article, I introduced the general concepts of generics and showed examples from the Java Collections ...

Java Platform, Standard Edition (Java SE) 5 introduced a new feature called generics that lets you specify the type of objects in collections.

The Collections Framework relies on a set of abstract data structures represented by interfaces that describe them based on the operations they support, from the most generic to the most specialized.

Apache Collections supports generics, so that's not a reason to choose one over the other. If the collections you need are available in it, I'd probably lean towards Guava, though.

The easiest way to learn the different things you can do with generics is to look at some of the uses of generics in the .NET Framework outside of the collections classes. One of the simplest ...