基于J2ME的金融POS应用安全方案设计，参考资料-POS-based financial J2ME application security program design, reference

该代码时thoughtworks新人培训的代码，主要看测试用例和编程风格，适合去面试的同学们(The code when the code is trained by ThoughtWorks newcomers, mainly test cases and programming style, suitable for the students to interview.)