Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

An enumerated type specifies a set of related constants as its values. Examples include the days in a week, the standard north/south/east/west compass directions, a currency’s coin denominations, and ...

Modern operating systems can support extraordinarily large volumes of users, but run into limitations with threads to support them due to CPU and memory constraints. Java historically has dealt with ...