Arrays and Loops

  • Ivor Horton
  • Peter Van Weert


An array enables you to work with several data items of the same type using a single name, the array name. The need for this occurs often—when working with a series of temperatures or the ages of a group of people, for example. A loop is another fundamental programming facility. It provides a mechanism for repeating one or more statements as many times as your application requires. Loops are essential in the majority of programs. Using a computer to calculate the company payroll, for example, would not be practicable without a loop. There are several kinds of loop, each with their own particular area of application.

Copyright information

© Ivor Horton and Peter Van Weert 2018

Authors and Affiliations

  • Ivor Horton
    • 1
  • Peter Van Weert
    • 2
  1. 1.Stratford-upon-AvonUK
  2. 2.Kessel-LoBelgium

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