在安装了j2se之后出现了问题:
运行是在dos下运行的! Exception in thread "main" java.lang.NoClassDefFoundError: A2
Caused by: java.lang.ClassNotFoundException: A2
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: A2. Program will exit.
请问怎么解决!急谢谢
运行是在dos下运行的! Exception in thread "main" java.lang.NoClassDefFoundError: A2
Caused by: java.lang.ClassNotFoundException: A2
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: A2. Program will exit.
请问怎么解决!急谢谢
本来是没有包 的,后来我加上了一个目录
A2没有问题。现在谢谢了