Programming terms starting with U

25 terms

  1. UDDI (Universal Description Discovery and Integration) Universal Description Discovery and Integration is a standard to use Web Services across various systems, including .NET and J2EE-based solutions.
  2. UDP User Datagram Protocol, the typical way to send datagrams over the Internet.
  3. UDP (User Datagram Protocol) A connectionless protocol within TCP/IP that corresponds to the transport layer in the International Standard Organization's Open System Interconnect…
  4. UID A user ID. Often used in the context of "file" or "process" ownership.
  5. umask A mask of those "permission bits" that should be forced off when creating files or directories, in order to establish a policy of whom you'll ordinarily…
  6. UMTS (Universal Mobile Telecommunications Service) Developed by Nortel Networks, Universal Mobile Telecommunications Service (UMTS) is a standard that will provide cellular users a consistent set of…
  7. unary operator An operator taking a single operand. Java's unary operators are -, +, !, !, ++ and --.
  8. unbounded repetition Repetition where the statements within a loop's body are performed an arbitrary number of times, according to the effects of the statements within the…
  9. unchecked exception An exception for which it is not required to provide a local try statement, or to propagate via a throws clause defined in the method header.
  10. Unicode A 16-bit character set designed to make it easier to exchange and display information that makes use of a wide range of different languages and symbols.
  11. uninitialized variable A local variable that been declared, but has had no value assigned to it. The compiler will warn of variables which are used before being initialized.
  12. Universal Description, Discovery and Integration (UDDI) project An industry initiative to create a platform-independent, open framework for describing services, discovering businesses, and integrating business services…
  13. Universal Standard Products and Services Classification (UNSPSC) A schema that classifies and identifies commodities. It is used in sell-side and buy-side catalogs and as a standardized account code in analyzing…
  14. UNIX A software operating system.
  15. unnamed package All classes defined in files without a package declaration are placed in the unnamed package.
  16. unparsed entity A general entity that contains something other than XML. By its nature, an unparsed entity contains binary data.
  17. upcast A cast towards an object's ultimate super type - that is, `up' the inheritance hierarchy towards the Object class, for instance // Upcast from…
  18. URI A character string used to identify a resource (such as a file) from anywhere on the Internet by type and location.
  19. URL Uniform Resource Locator (internet protocol term).
  20. URL (Uniform Resource Locator) The Internet address for a document, file, or other resource. It describes the protocol required to access the resource, the host where it can be found…
  21. URL path The part of a URL passed by an HTTP request to invoke a servlet. A URL path consists of the context path + servlet path + path info, where
  22. URN Uniform resource name. A unique identifier that identifies an entity but doesn't tell where it is located.
  23. user (security) An individual (or application program) identity that has been authenticated. A user can have a set of roles associated with that identity, which entitles…
  24. user data constraint Indicates how data between a client and a Web container should be protected. The protection can be the prevention of tampering with the data or prevention…
  25. UTF Universal Character Set (UCS) Transformation Format. A format for representing multibyte characters that is compatible with programs and file systems that…