First we’ll unpack the three powerful classes residing in the java.util.regex package, then we’ll explore the Pattern class and its sophisticated pattern-matching constructs.

Furthermore, the update seeks to rectify the exclusion of primitive type patterns in the pattern matching for instanceof and switch, which had limited Java's expressiveness.

In this post, I look at use of the builder pattern to reduce the number of parameters required for a constructor with some discussion on how this pattern can even help with non-constructor methods ...