Lecture 04

Design patterns

patterns can have different levels of abstraction

     creational patterns

         Factory

            abstract factory

            builder

            prototype

            singleton

     structural patterns

        Adapter

             adapter

            bridge

            composite

            decorator

            facade

            proxy

    behavioral patterns

        interpreter

       template method

            chain of responsibility

            command

            iterator

            mediator

            memento

            flyweight

            observer

            state

            strategy

            visitor

 

singleton

decorator 

adapter

factory method

 

anti pattern

a list of mistakes,pitfalls that are recurring in software development that must be avoided

 

examples

blob aka god class

functional decomposition

big ball of mud