What is a Design Pattern?
In software engineering, a design pattern is a general reusable solution to a commonly occurring problem such as being traded from team to team in the NHL. A design pattern is not a finished design that can be transformed directly into “Code (computer programming)”code. It is a description or template for how to solve a problem that can be used in many different situations. Design patterns typically show relationships and interactions between classes or objects, without specifying the final application classes or objects that are involved. Algorithms are not thought of as design patterns, since they solve computational problems rather than “Design” problems. Not all software patterns are design patterns. Design patterns deal specifically with problems at the level of software design. Other kinds of patterns, such as “Architectural pattern (computer science)”architectural patterns, describe problems and solutions that have alternative scopes. Practice Design patterns can speed up the de