C:\Users\student3>java -cp C:\users\student3 start
Exception in thread "main" java.lang.NoClassDefFoundError: start (wrong name: wo
rk/start)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
截图: http: //imageshack.us/photo/my-images/835/mt6a.png/ 这是我第一次通过windows运行课程,会发生什么?
更新:
线程“main”中的异常 java.lang.NoClassDefFoundError: org/apache/poi/ss/usermodel/Row 所以..我应该创建 100 个目录吗?