Sun's Java Technology, programming technologies we use in building projects java based web applications as well as applications android smartphone. advantage of this technology is that it is very secure and impenetrable to vandalized. This technology is very popular for creating applications that require reliable data security. examples of the application of this technology we apply to our software made SyTrade (Software Cashier & Warehouse), Capsule (Software Pharmacy), Salesnlead (Software Marketing), Dokter177 Android (android smartphone-based applications).