本帖最后由 范龙波 于 2013-5-9 19:17 编辑
G:\daima\Day17>java DemoCollections
Exception in thread "main" java.lang.NoClassDefFoundError: DemoCollection
Caused by: java.lang.ClassNotFoundException: DemoCollections
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: DemoCollections. Program will exit.
写了个代码提示上面的内容没一个能看懂的能给解释下都具体是什么吗?
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