C:\Program Files\Java\jdk1.6.0_10\mycode>javac Hello.javaC:\Program Files\Java\jdk1.6.0_10\mycode>java Hello
Exception in thread "main" java.lang.UnsupportedClassVersionError: Hello (Unsupp
orted major.minor version 50.0)
at java.lang.ClassLoader.defineClass0(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$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)我是菜鸟希望大家指教
Exception in thread "main" java.lang.UnsupportedClassVersionError: Hello (Unsupp
orted major.minor version 50.0)
at java.lang.ClassLoader.defineClass0(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$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)我是菜鸟希望大家指教
解决的方法有两个:
1、重新安装较高版本的虚拟机,比如JRE1.5或1.6;
2、使用早期版本的JDK重新编译源代码,比如JDK1.4.1或JDK1.4.2等。PS:你可以在命令行方式下运行java -version查看你当前的虚拟机版本号