一个用java写的基于拓扑排序的排课系统,可以参考-A written in the Java course arrangement system based on topological sort, you can refer to

Java语言，不需要算法实现的排课系统，适合中小学使用，提供了扩展接口，可以进行灵活修改。(Java language, the system does not require the implementation of the course scheduling system, suitable for primary and secondary school use, providing an extended interface, can be flexibly modified.)

排课系统基于遗传算法，数据库是sqlsever，还不错。大家可以看一下(adsjkjskzlfjklnzxvnlkcnzxnckzkch)