Package tour market, which is now dominated by a few large tour operators. The major operators are Thomson Holidays and First Choice part of TUI AG and Thomas Cook AG. Under these umbrella brands are different holiday operators catering to different markets, such as Club 18-30 or traveleze. Budget airlines have also created their own package holiday divisions such as Jet2 Holidays or Japan Airlines's J-Pack special. The trend for package holiday bookings saw a comeback in 2009, as customers sought greater financial security in the wake of a number of holiday and flight companies going bust, and as the hidden costs
Package development process Package development process A software package development process is a system for developing software packages. Packages make it easier to reuse and share code, e.g., via a software repository. A formal system for package checking can help expose bugs, thereby potentially making it easier to produce "trustworthy software" (Chambers' "prime directive"). This in turn can help improve productivity for people who produce and use software, as part of a software development process or software development methodology. In this context, a "package" is a collection of functions written for use in a single language such as Python or R, bundled with