An item of data that is identified by an arbitrary name. The key is the name, and the value is the content; for example, the key might be CITY, and the value might be CHICAGO. A key-value database is ...
Most applications need some form of persistence—a way to store the data outside the application for safekeeping. The most basic way is to write data to the file system, but that can quickly become a ...
Community driven content discussing all aspects of software development from DevOps to design patterns. Java collection classes allow a developer to keep track of contained items in one of two ways, ...