A person or device that accesses something, or in programming, a method used to retrieve information from an object.
From access + -or (Latin suffix for 'one who does'). Originally meant someone who approaches or gains entry; modern usage expanded with computer science terminology.
Accessors in programming are like gatekeepers that protect information—they let you read data but often prevent you from changing it directly, which is a clever way to keep computer programs from accidentally breaking themselves.
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