Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.

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 ...

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

The Java Iterator is an all-purpose interface that simplifies looping through a collection of objects. Java's ListIterator provides all the functionality of the Iterator interface, with four ...

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.