First class

The term First class (or 1st class, Firstclass) generally implies a high level of service, importance or quality. Specific uses of the term include:

Travel

• First class travel
  • First class (aviation)

Sports

• First-class cricket
• First Class Diver – the highest grade of diver in the original (and now obsolete) classification system of the British Sub Aqua Club.

Mathematics

• First class constraint

Computing

• First class (computing), a concept in data modeling
• First-class object, a concept in programming
• First-class function
• FirstClass, e-mail and online conferencing system

Arts and Entertainment

Television

• First Class (TV Series)
• First Class (game show), a UK television game show

Music

• The First Class, a band
• 1st Class (album) is a 2002 album by Large Professor

Comics

• A comic strip in The Dandy
• X-Men: First Class (comic series)

Film

• X-Men: First Class (film), 2011 film

Other

• First Class rank in Boy Scouts
• First class honours degree – see British undergraduate degree classification
• First class city in the Philippines – see Cities of the Philippines#Income classification
• First Class mail