installed jkd1.6.0
write a simple helloworld example
javac helloworld.java work well
java helloworld gets error:
Exception in thread "main" java.lang.ClassFormatError: helloworld (unrecognized class file version)
at java.lang.VMClassLoader.defineClass(libgcj.so.7)
at java.lang.ClassLoader.defineClass(libgcj.so.7)
at java.security.SecureClassLoader.defineClass(libgcj.so.7)
at java.net.URLClassLoader.findClass(libgcj.so.7)
at java.lang.ClassLoader.loadClass(libgcj.so.7)
at java.lang.ClassLoader.loadClass(libgcj.so.7)
at java.lang.Class.forName(libgcj.so.7)
at gnu.java.lang.MainThread.run(libgcj.so.7)
can someone help me?
write a simple helloworld example
javac helloworld.java work well
java helloworld gets error:
Exception in thread "main" java.lang.ClassFormatError: helloworld (unrecognized class file version)
at java.lang.VMClassLoader.defineClass(libgcj.so.7)
at java.lang.ClassLoader.defineClass(libgcj.so.7)
at java.security.SecureClassLoader.defineClass(libgcj.so.7)
at java.net.URLClassLoader.findClass(libgcj.so.7)
at java.lang.ClassLoader.loadClass(libgcj.so.7)
at java.lang.ClassLoader.loadClass(libgcj.so.7)
at java.lang.Class.forName(libgcj.so.7)
at gnu.java.lang.MainThread.run(libgcj.so.7)
can someone help me?
public static void main(String[] args){
System.out.println("hello world");
}
}
i have set path envirenment variable.
should i set classpath envirenment variable?