![]() ![]() If it is complicated, however, they won’t, especially if there is a simpler option available. A company that makes products or furnishes services may find simplicity an advantage for the company as well, since it tends to shorten time and reduce cost.” If something is simple, useful, and affordable, people will buy it. People (including product and service users) generally want things that are simple, meaning easy to learn and use.” “The KISS Principle (Keep It Simple, Stupid) is self-descriptive and recognizes two things. TechTarget makes the following comment regarding the term: Principles Wiki tells us that the letters KISS also stand for ‘ Keep it Short and Simple‘ or ‘ Keep it Simple and Straightforward.’ In fact, they may even stand for ‘ Keep it Smart and Simple.’ Johnson, however, did not use a comma when he wrote ‘Keep it Simple Stupid.’ He also produced the first fighter-capable Mach 2 airplane. He worked on the aircraft designs of the Lockheed U-2 and SR-71 Blackbird. We should avoid complexity.Ĭlarence Leonard ‘Kelly’ Johnson (1910-1990) first coined the term ‘KISS principle.’ Johnson was an American aeronautical and systems engineer. Put simply the KISS principle says that simplicity is the key goal when designing something. Otherwise, it probably won’t work so well. In other words, do not complicate a simple system that works. It means that most systems work best if you keep them simple. It was a design principle that originated in the United States in the 1960s. The original version can be found here.In the term KISS principle, the letters ‘KISS’ stand for Keep it Simple, Stupid. ![]() This work is a derivative of "Keep It Simple Stupid (KISS)" by Christian Rehn, originally licensed under CC BY 4.0. A specific solution will suffice.Īmerican engineer Kelly Johnson coined the principle referring to the requirement that a military aircraft should be repairable with a limited set of tools under combat conditions. Avoid general solutions needing parameterization.For slightly unrelated but smaller pieces of functionality, use private methods or functions instead of an additional class.Avoid numerous classes and methods as well as large code blocks.Slower algorithms will work in the first place. Use simple brute-force solutions instead of complicated algorithms.Slower implementations will work just fine. Avoid low-level optimization of algorithms, especially when involving Assembler, bit-operations, and pointers.Use delegation and simple if-constructs instead. Avoid inheritance, polymorphism, dynamic binding, and other complicated OOP concepts.KISS is a very general principle to this principle, mainly depending on the given design problem: That sounds reasonable, if you happen to be a psychic." - Refactoring to Patterns - Joshua Kerievsky. The reason that it's best to make a design more flexible or sophisticated today is to accommodate the needs of tomorrow. Some do this because they believe they know their system's future requirements. "When you make your code more flexible or sophisticated than it needs to be, you over-engineer it. But you may not know what those future requirements are or if they will exist as envisioned. One reason to create more complex code is to make it more flexible to accommodate further requirements. So simple and stupid programs are easier to maintain because the maintainer needs less time to understand them and is less likely to introduce further defects. The maintainer might also be less familiar with sophisticated programming language features. The advantage of simplicity is even more significant when the person who maintains the software is not the one who wrote it. Furthermore, writing simple code is less error-prone. This includes increased readability, understandability, and changeability. Simpler solutions are easier to maintain. It does not mean that complex features should not be used, they should only be used when necessary, or there is a substantial advantage to be gained. The KISS principle states that a solution is better when simpler, so it uses less inheritance, less polymorphism, fewer classes, etc. It is easy to create sophisticated solutions for various problems in software, as modern programming languages, frameworks, and APIs have powerful features that enabled engineers to write "clever" solutions. It claims there is no value in a solution being "clever" when a simpler solution would suffice. A solution may look dull or even "stupid," but understandable and straightforward. The KISS principle prioritizes clarity over cleverness. A simple solution is better than a complex one. ![]()
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