Classical design patterns
Design patterns are powerful tools for programmers to use. They enable us to find beautiful and tried-and-true solutions to design problems. A well-known design pattern can help you when you are attempting to create the optimal layout for your classes and the relationships between them.
Reusing effective designs and architectures is made simpler by design patterns. It is easier for developers of new systems to use proven techniques when they are expressed as design patterns. Design patterns assist you in selecting design options that enhance reusability and avoiding those that do not. Even documentation and maintenance of current systems can be enhanced by design patterns. Design patterns, in other words, facilitate the creation of “correct” designs more quickly.
“Who created design patterns?” is a question you might ask, and the answer is both no one and everyone. It is no one because there is no specific person to whom we...