Learn how to fine-tune and parallelize the behavior of Java iterators, using Java 8's forEach() method and Streams API. Then see some performance benchmarks that might surprise you ...

Collections provides factory methods for creating empty List s, java.util.Set s, and Map s, and for creating singleton List s, Set s, and Map s that have exactly one element or key-value pair.

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 ...

Developers can call System.gc () anywhere in their code to instruct the JVM to prioritize garbage collection. When a developer calls this method -- and there isn't an extreme load on the JVM -- a Java ...