Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories.

Remove duplicates with Java’s Stream API The fastest and most efficient way to remove items from a List in Java is to use the distinct method of the Stream API. The following code snippet starts with ...

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want.

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 ...