{"id":242,"date":"2020-02-01T00:38:37","date_gmt":"2020-02-01T00:38:37","guid":{"rendered":"http:\/\/pragmaticways.com\/?p=242"},"modified":"2020-02-01T14:46:09","modified_gmt":"2020-02-01T14:46:09","slug":"what-are-design-patterns","status":"publish","type":"post","link":"https:\/\/pragmaticways.com\/what-are-design-patterns\/","title":{"rendered":"What are Design Patterns?"},"content":{"rendered":"\n

Object oriented programming (OOP) comes with many benefits, when implemented properly. However, designing OOP<\/acronym> poorly will open the doors to a world of never-ending code smells. Design Patterns<\/strong> help keep those doors closed. <\/p>\n\n\n\n

Design Patterns are reusable solutions to reoccurring design problems. They use the four principles of OOP (encapsulation, abstraction, inheritance, and polymorphism) to create software patterns that have been time-tested keep code clean, readable, and most importantly, maintainable. <\/p>\n\n\n\n

There are 23 original design patterns first popularized in the book “Design Patterns – Elements of Reusable Object-Oriented Software<\/em><\/strong>” written by Erich Gamma, Richard Helm, Ralph Johnson and John Vlissides, collectively known as the Gang of Four (GOF). The table below lists those 23 design patterns, with a link to each one where you can learn about each pattern. <\/p>\n\n\n\n

\nHey, wait!!!!<\/b>
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\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
1<\/td>\n Factory Design Pattern<\/a><\/td>\n <\/tr>\n
2<\/td>\n Builder Design Pattern (Coming soon…)<\/a><\/td>\n <\/tr>\n
3<\/td>\n Composite Design Pattern (Coming soon…)<\/a><\/td>\n <\/tr>\n
4<\/td>\n Prototype Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
5<\/td>\n Observer Design Pattern (Coming soon…)<\/a><\/td>\n <\/tr>\n
6<\/td>\n Facade Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
7<\/td>\n Bridge Design Pattern (Coming soon…)<\/a><\/td>\n <\/tr>\n
8<\/td>\n Abstract Factory Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
9<\/td>\n Proxy Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
10<\/td>\n Chain of Responsibility Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
11<\/td>\n Visitor Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
12<\/td>\n Singleton Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
13<\/td>\n Command Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
14<\/td>\n State Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
15<\/td>\n Strategy Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
16<\/td>\n Adapter Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
17<\/td>\n Decorator Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
18<\/td>\n Flyweight Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
19<\/td>\n Mediator Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
20<\/td>\n Iterator Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
21<\/td>\n Memento Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n
22<\/td>\n Template Method Design Pattern (Coming soon…)<\/a><\/td>\n <\/tr>\n
23<\/td>\n Interpreter Design Pattern (Coming soon…)<\/a><\/td>\n\n <\/tr>\n <\/tbody>\n <\/table>\n<\/figure>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

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