Developers make assumptions about how our code will behave when executed, but we’re not always right. Without certainty, it is challenging to write programs that work correctly at runtime. Java ...

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 ...