This document contains comprehensive notes from Lecture 17 of the CO2401 course on Software Development, focusing on the concept of AntiPatterns in software design. AntiPatterns are common but counterproductive solutions to recurring problems, leading to negative consequences in software developmen...
Introduction to AntiPatterns
1. What are AntiPatterns?
o Definition: An AntiPattern is a common but counterproductive
solution to a recurring problem that leads to negative
consequences.
o Causes:
Lack of knowledge or experience.
Misapplication of a good pattern in the wrong context.
o Examples:
Structured programming, which aimed to improve software
productivity but introduced its own set of challenges.
Why Study AntiPatterns?
1. Importance:
o Prevention: By studying AntiPatterns, developers can learn to
recognize and avoid common mistakes.
o Problem Solving: Offers templates for identifying and solving
common issues in software development.
o Improvement: Encourages better practices and helps in avoiding
recurring problems within an organization.
Causes of AntiPatterns
1. Root Causes:
o Haste: Tight deadlines often lead to neglecting important activities.
o Apathy: Lack of concern for solving known problems.
o Narrow-Mindedness: Resistance to learning and adopting proven
solutions.
o Pride: Refusal to reuse existing solutions because they were not
invented by the current team.
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