C / C ++ development mainly for PC software, the underlying development, microcontroller and embedded systems; such as: QQ, Windows, League of Legends, Linux, Unix.
Java and C # can not only be used to develop software, it can also be used to develop the site daemon; Eclipse Follow us is developed in Java. Windows MSDN Web site is to use C # technology. We used Jingdong, Taobao and other sites that use Java.
PHP technology is mainly used for Web site development, belongs to the server-side scripting language. For example, some portals, service number. For example, our old nine school service number of secondary development PHP is used.
JavaScript front-end work is mainly responsible for the site (now there are companies using Node.js development site background).
Dry notes more attention to micro-channel public number: the old nine school