To learn Flex
you start with scripting relative languages mxml, etc , or with learning the menus in Flash Builder? how you proceed after you startup? Learning Flex you must
choose a server side scripting language from the ones you know
very well, and use it by a way in Flex works? like
JAVA if I am familiar with? if yes, your book what server side scripting language make use? If indeed, this is the case, what level of JAVA I must have, SE & EE & ME?