Java文件在Eclipse中运行正常,但是在控制台却会出现异常:
F:\>javac Hello.java
F:\>java Hello
Exception in thread "main" java.lang.NoClassDefFoundError: Hello
Caused by: java.lang.ClassNotFoundException: Hello
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
Could not find the main class: Hello. Program will exit.
之前还好好的,自从用tomcat和MyEclipse之后把classpath配置一下就不行了,现在只能在classpath中配置一个路径,把.class文件放到这个路径的文件夹下面运行,不知道是怎么回事,求教!