java cmd编译后运行是区分大小写的

来源：互联网发布：网络优化就业前景编辑：程序博客网时间：2024/05/16 01:02

E:\java_app>java welcomeException in thread "main" java.lang.NoClassDefFoundError: welcome (wrong name:Welcome)        at java.lang.ClassLoader.defineClass1(Native Method)        at java.lang.ClassLoader.defineClass(Unknown Source)        at java.security.SecureClassLoader.defineClass(Unknown Source)        at java.net.URLClassLoader.defineClass(Unknown Source)        at java.net.URLClassLoader.access$100(Unknown Source)        at java.net.URLClassLoader$1.run(Unknown Source)        at java.net.URLClassLoader$1.run(Unknown Source)        at java.security.AccessController.doPrivileged(Native Method)        at java.net.URLClassLoader.findClass(Unknown Source)        at java.lang.ClassLoader.loadClass(Unknown Source)        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)        at java.lang.ClassLoader.loadClass(Unknown Source)        at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)E:\java_app>java WelcomeWelcome to Core Javahellohi

发现个小细节的问题。

注意使用javac 和java 命令
javac是不分大小写而java是要区分的