紧急求救:java程序没有错误,但是在NetBeans中运行出现下面的错误?
java.lang.NoClassDefFoundError: pb/MainCaused by: java.lang.ClassNotFoundException: pb.Main
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: pb.Main. Program will exit.
Exception in thread "main" Java Result: 1 --------------------编程问答-------------------- java.lang.NoClassDefFoundError,错误很明显啊............... --------------------编程问答-------------------- 没有设置运行的主类
补充:Java , Java SE