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

Why use generics? Generics are commonly used in the Java Collections Framework with java.util.List, java.util.Set, and java.util.Map.

Whether you're preparing for an interview or reviewing for a Java course, you'll need to know your way around these Java garbage collection questions. How well do you know GC algorithms? This ...