Java includes various mechanisms for iteration, including index (for iterating over an array), cursor (for iterating over the results of a database query), enumeration (in early versions of Java ...

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

Why should you use Collections class methods rather than similarly named fields to obtain empty collections? Type safety makes the crucial difference.