详细讲解了面向对象程序设计（Java）课程的内容，入门者的必选-Explain in detail the object-oriented programming (Java) course content, beginners Required

最新的ACM培新计划和培训内容，包含代码和解析，培养最出色的ACMer(This is the latest ACM information for learning and reference, including the hard-working information and plans of the teacher)