当我运行我的程序时,我收到以下错误,我不知道这个错误是什么意思?有没有人有任何想法?
java.lang.NoClassDefFoundError: program/pkg7/Program7
java.lang.ClassNotFoundException: program.pkg7.Program7
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
Could not find the main class: programja.pkg7.Program7. Program will exit.
Exception in thread "main" Java Result: 1
BUILD SUCCESSFUL (total time: 0 seconds)