With the development of Internet and network database, online education has become an important method in knowledge innovation, dissemination and application. So how to achieve the goals of informational and paperless examination better, and make the examination more efficient, convenient and justice become an important topic in modern education field. Developing a stable online examination system can effectively solve this problem.. The system is developed based on J2EE architecture and it mainly includes three modules: user management, test management, and score management. User management is responsible for managing the information of administrators, teachers and students. Test management includes the functions for administrators or teachers to select randomly questions from database to generate test papers. Score management is in charge of the automatic scoring of test papers and giving the corresponding feedbacks to students. The implementation of system efficiently provides teachers and students an interaction platform and improves the management level as well.
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