首先，打开文件夹PackageDemo，运行StudentInfo.jcw, 进入JCreator环境，要求按顺序分别编译（即运行菜单项“Builder”——“Compile File”）Student.java, CourseSession.java, RosterReporter.java, StudentInfo.java.

然后，运行菜单项“Builder”——“Execute File”，并代开文件夹PackageDemo——classes, 看该目录下生成了哪些文件，并将这些文件全部删除。

修改程序，使得运行后RosterReporter.class文件在\classes\sisi\report目录下，Student.class，CourseSession.class，RosterReporter.class及StudentInfo.class文件存放在\classes\sis\studentinfo目录下-First, open the folder PackageDemo. StudentInfo.jcw running into JCreator environment, required by the order were compiler (that is, running the menu item "Builder"-- "Compile File" ) Student.java, CourseSession.java. RosterReporter.java. StudentInfo.java. Then, Operation menu item "Builder"-- "Execute File" and substituting open folder PackageDemo-- classes, look at the catalog next life into those documents, These documents will all be deleted. Amendment procedures After making operation RosterReporter.class document \ classes \ sis i \ report directory, Student.class. CourseSession.class. RosterReporter.class documents and StudentInfo.class stored in \ classes \ sis \ directory studentinfo