此包可用。 使用方法为将此包的解压路径添加到系统变量CLASSPATH中即可（如没有则创建之）。官方描述顺带附上 Thinking in Java 4th Edition Source Code Instructions for downloading, installing and testing the source code Download the source code zip file from this link. Create a directory in which to install the code. For these instructions, we'l