title: No classes specified
body: <p>i have been following the tutorial of JNI in netbeans , i have encountered the following problem. </p>
  
  <p>Please help me to solve these</p>
  
  <pre><code>C:\Users\avijapur\Documents\NetBeansProjects\HelloWorld&gt;"C:\Program Files\Java\jdk1.8.0_101\bin\javah.exe" -o HelloWorldNative.h -jni -classpath  "C:\Users\avijapur\Documents\NetBeansProjects\HelloWorld\build\classes\helloworld\"HelloWorld.main"
  Error: no classes specified
  
  C:\Users\avijapur\Documents\NetBeansProjects\HelloWorld&gt;
  </code></pre>