Perhaps this can help: http://www.youtube.com/watch?v=xVnW7ZMqBus
You can see many more options at: http://www.youtube.com/results?search_query=Overloaded+Methods+and+Constructors&oq=Overloaded+Methods+and+Constructors&aq=f&aqi=&aql=&gs_sm=e&gs_upl=2447l2447l0l3094l1l1l0l0l0l0l363l363l3-1l1l0