It is not enough for code to work. – Robert C. Martin

Over the years software industry has evolved a lot. We have seen gigantic upgrade in computer hardware and software have evolved and become more and more complex. It is more important now than ever before that software developers write excellent quality code as they are responsible for automating everything from nuclear missiles to air radar systems. It is important that we adapt to the best design principals and patterns that have been developed over the years as they will aid us in writing better software for our customers.