#Design Patterns

##Description

This is a collection of well known design patterns and some sample code how to implement them in C++, Java, Python and more(latter).

##Progress

Pattern	Description	C++	Java	Python	PHP	Perl
singleton	DONE	DONE	DONE	DONE	DONE	DONE
proxy	DONE	DONE	DONE	DONE	DONE	DONE
builder	DONE	DONE	DONE	DONE	DONE	DONE
command	DONE	DONE	DONE	DONE	DONE	DONE
decorator	DONE	DONE	DONE	DONE	DONE	DONE
facade	DONE	DONE	DONE	DONE	DONE	DONE
observer	DONE	DONE	DONE	DONE	DONE	DONE
template	DONE	DONE	DONE	DONE	DONE	DONE
adapter	DONE	DONE	DONE	DONE	DONE	DONE
flyweight	DONE	DONE	DONE	DONE	DONE	DONE
bridge	DONE	DONE	DONE	DONE	DONE	DONE
composite	DONE	DONE	DONE	DONE	DONE	DONE
interpreter	DONE	DONE	DONE	[TODO]	DONE	DONE
mediator	DONE	DONE	DONE	DONE	DONE	DONE
memento	DONE	DONE	DONE	DONE	DONE	DONE
state	DONE	DONE	DONE	DONE	DONE	DONE
prototype	DONE	DONE	DONE	DONE	DONE	DONE
strategy	DONE	DONE	DONE	DONE	DONE	DONE
visitor	DONE	DONE	DONE	DONE	DONE	DONE
simple-factory	DONE	DONE	DONE	[TODO]	DONE	DONE
abstract-factory	DONE	DONE	DONE	DONE	DONE	DONE
factory-method	DONE	DONE	DONE	DONE	DONE	DONE
chain-of-responsibility	DONE	DONE	DONE	DONE	DONE	DONE
iterator	DONE	DONE	[TODO]	DONE	DONE
null-object	DONE	DONE	[TODO]	DONE	DONE
object-pool	DONE	[TODO]	[TODO]	DONE
private-class-data	[TODO]	[TODO]	[TODO]	[TODO]

##Contribute

Please feel free to fork and extend existing or add your own examples and send a pull request with your changes!

##License

The MIT License