Java training lecturers need to know about Java basic courses, javaWEB courses, framework courses, traditional project courses and e-commerce project courses, answer questions, correct homework, organize classroom discussions, participate in laboratory construction, guide experimental teaching, organize and guide production practice and social practice, be responsible for students' ideological and political work, compile teaching materials and handouts, and conduct educational and teaching research or technology development, so they are still very tired.

Java is an object-oriented programming language, which not only absorbs the advantages of C++ language, but also abandons the concepts of multiple inheritance and pointers that are difficult to understand in C++, so Java language has two characteristics: powerful function and simple use.