Examples of generic types in Java Raw types vs. generics Why use generics? Generics are commonly used in the Java Collections Framework with java.util.List, java.util.Set, and java.util.Map.

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.

In part 1 of GS Collections by Example, I demonstrated several different ways to filter a collection in GS Collections using select and selectWith. In order to call select, we passed in a ...