Maybe because of the version of class file Maybe the version of JDK which you compile the class files with on Windows 7 is higher than the version of JRE which you run with on Windows XP. If so, please use a -target parameter when 'javac'. reply
Maybe the version of JDK which you compile the class files with on Windows 7 is higher than the version of JRE which you run with on Windows XP.
If so, please use a -target parameter when 'javac'.