The most important thing is that you take the pattern seriously. There is no point at all in using the pattern if you only give lip service to it.
In this book we reviewed the basics of software development and object-oriented development. We also covered the core concepts that comprise patterns, explaining context and form and the role forces play in understanding the appropriateness of using patterns. Through a series of design examples, we could see some of the various places that patterns enter the software development activity and the benefit they add there.
Hopefully, by combining the examples and methods of applying patterns in both initial system design and maintenance, you feel ready to go ...