Java’s collections like arrays and lists are foundational building blocks. Functional programming techniques are at times the ideal way to work with these collections.

Generics in Java programming Why use generics? How to use generics for type safety Generics in the Java Collections Framework Examples of generic types in Java Raw types vs. generics Why use generics?

In this article, key Eclipse Collections contributors demonstrate techniques for refactoring standard Java code to Eclipse Collections, and demonstrate some of the memory savings you can achieve.