Object-oriented languages such as C++ or Java uses a bottom-up approach where each object is identified first. The parts are linked to form larger components, which are in turn linked until a complete system is formed. In this design, individual parts of the system are specified in detail. Then break the parts into parts soon and now each of parts will be easy to do.īreaking problems into parts help us to identify what needs to be done.Īt each step of refinement, new parts will become less complex and therefore easier to solve.īreaking problems into parts allows more than one person to solve the problem. For example: Writing a University system program, writing a word processor. Each part of it then refined into more details, defining it in yet more details until the entire specification is detailed enough to validate the model. In the top-down model, an overview of the system is formulated without going into detail for any part of it. In practice, they can be seen as a style of thinking, teaching, or leadership. Top-down and bottom-up are both strategies of information processing and knowledge ordering, used in a variety of fields including software, humanistic and scientific theories (see systemics), and management and organization. ( Learn how and when to remove this template message) This article may need to be rewritten to comply with Wikipedia's quality standards.
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