Learn how to use Java collections in this free PDF guide.

The Java Collections Framework is a powerful architecture that provides reusable, efficient data structures to manage and organize groups of objects in Java. It includes a set of interfaces and ...

For more information about stream pipelines, see “Aggregate Operations” in the Java Tutorial, or “Chapter 2: The Stream API” in Cay Horstmann’s Java SE 8 for the Really Impatient ...

Java’s collections like arrays and lists are foundational building blocks. Functional programming techniques are at times the ideal way to work with these collections. This article gives a tour ...

A collection in Java is an object that groups multiple elements into a single unit. Collections are used to store, retrieve, manipulate, and communicate aggregate data. Java provides a rich set of ...

The Java Platform provides the most commonly used data structures in the form of the Collections Framework, and it provides a rich API to operate on them. This article explains the concepts behind ...