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 ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions.

See Rafael’s List removeIf Wrappers Java Challenge Java challenge to learn more about the List interface. See the Streams Set Distinct Java challenge to learn more about the Set interface.

It’s easy to remove duplicates from a list in Java. There are a variety of functions in Java that simplify that process. Finding duplicates in a Java list? That’s actually a bit more complicated, but ...

With JDK 8 Java adds full JavaScript support plus some awesome extensions with Project Nashorn. In this article JavaScript expert Oliver Zeigermann explains the hows and the why's.

However, there are collection classes in Java that act like a Java array but resize themselves automatically. Any class that extends the List interface expands dynamically. Java arrays do not expand ...