What is the total number of layers in the object-oriented design pyramid?

Software Design MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Software Designsoftware-engineering-mcqs › software-design
Published
4 Feb 2019
Last updated
28 May 2026

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Explanation

The object-oriented design pyramid consists of four distinct layers: the subsystem layer, the class and object layer, the message layer, and the responsibilities layer.

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