I have found these various “singleton” methods to be useful for passing a single value to an API that requires a collection of that value. Of course, this works best when the code processing the ...

One of the conveniences of Groovy is the ability to easily perform filtering and transformation operations on collections via Groovy’s closure support. Guava brings filtering and transformation on ...

Community driven content discussing all aspects of software development from DevOps to design patterns. It’s easy to remove duplicates from a list in Java. There are a variety of functions in Java ...