A review on Java performance for many objects using Java Collections or alternative collections, with the impact of serial vs. parallel streams. For some streaming data sets, parallel processing ...

Why should you use Collections class methods rather than similarly named fields to obtain empty collections? Type safety makes the crucial difference.

Since the introduction of the Java Collections Framework with JDK 1.2 , I have used Java arrays significantly less frequently than I used to. However, I still use arrays occasionally, often ...