I know this is not very presentable but it is easier to remember design patterns in the below format (at least for me).
Whatever...
Above is a list of Structural Design Patterns.
All of them is encapsulates some objects or interfaces and delegates the calls to them at the bottom .
So what is difference between them on top of their behaviour ?
The difference is your intent !
And I don't recommend you to memorize them .Just read them once and hope to get an inspiration when you needed those.Just encapsulate and delegate. --From "The Joy of Painting"
