With the development of the computer technology, more and more people like to have test online. therefore, the study and develop of online test system have real practice value. On this paper, we almost discuss about the general problems which online test system faces, the measure of the problems and development environment of the system, then, design and develop the online test system of program design, come true that online test.
The online test system use the technology of Jsp, Servlet and MySQL, it has realized the design of interface and connection of database. The system has done the function of entering problems online, take problems by random, online test ,check answers online, users manager, has a real application and referenced value.