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Boilerplate code
In computer programming, boilerplate code or boilerplate is the sections of code that have to be included in many places with little or no alteration. It is often used when referring to languages that are considered ''verbose'', i.e. the programmer must write a lot of code to do minimal jobs. (chunk of code that is copied over and over again with little or no changes made to it in the process.)
The need for boilerplate can be reduced through high-level mechanisms such as metaprogramming (which has the computer automatically write the needed boilerplate text), convention over configuration (which provides good default values, reducing the need to specify program details in every project) and model-driven engineering (which uses models and model-to-code generators, eliminating the need for boilerplate manual code).
== Origin ==
''Interestingly, the term arose from the newspaper business. Columns and other pieces that were syndicated were sent out to subscribing newspapers in the form of a mat (i.e. a matrix). Once received, boiling lead was poured into this mat to create the plate used to print the piece, hence the name boilerplate. As the article printed on a boilerplate could not be altered, the term came to be used by attorneys to refer to the portions of a contract which did not change through repeated uses in different applications, and finally to language in general which did not change in any document that was used repeatedly for different occasions.''
A related term is ''bookkeeping code'', referring to code that is not part of the business logic but is interleaved with it in order to keep data structures updated or handle secondary aspects of the program.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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