实践篇 这篇主要对现今流行的所有加密算法进行了全面阐述和深入剖析，并配合相关测试用例演 示算法实现。在阅读这篇前，请阅读本书第2章相关理论知识，并了解第3～4章相关的API内容。 -This article mainly about the current practice of all popular encryption algorithm describes a comprehensive and in-depth analysis, and in line with the

This book describes the Java Virtual Machine, the abstract computer on which all Java programs run. Through a combination of tutorial explanations, working examples, reference material, and applets that interactively illustrate the concepts presented