hand on exercise for java

源码要求为至少5个C或Java源码或其他好源码或编程学习资料，质量越高得到的下载个数越多(-Source requirements for at least 5 C or Java source code or other good source code or programming learning materials, the more the number of downloads of higher quality (

现代编译原理，即虎书，包含C版本和Java版本，源代码和课后习题答案(Modern compiler theory contains C version and Java version, source code and after-school exercise answers)