Trouble using javah tool

Question

I am trying to generate a jni-style header file for the HelloWorld.class generated from the following code
class HelloWorld {
     private native void print();
     public static void main(String[] args) {
     new HelloWorld().print();
     static {
          System.loadLibrary("HelloWorld");
command used: javah HelloWorld I am getting an error javadoc: error-Illegal package name HelloWorld
Kindly help

Answer 1

Did you compile the class?
Post the exact command that you used for javah - copy and paste it.
Post the exact output of running that - copy and paste it.