In Java 1.0 and 1.1, the two primary collection classes were Vector and Hashtable, and the Iterator design pattern was implemented in a class called Enumeration.

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 ...

Java Garbage Collection remains a topic of major interest even after 25 years. Many developers are still confused about the fundamentals, even of the most widely-used implementation (Parallel).