Report of Design Patterns

Design pattern is a term of the abstraction from a concrete form that keeps recurring in specific non-arbitrary contexts. Design Patterns are devices that allow programs to share knowledge about their designs. It seems that the benefits of design pattern are so obvious. However, design pattern is so complicated that it makes the software even more difficult to be maintained. In this report, we show how we documented patterns, and the advantages and disadvantages of documenting design patterns. Finally, we get some conclusions. 1