title: Bluetooth does not run in window PC
body: <p>hi i write a java app about bluetooth
  when i run in eclipse console it ran ok
  but when i run in command line it occur error 
  import javax.bluetooth.BluetoothStateException;
  import javax.bluetooth.LocalDevice;</p>
  
  <pre><code>public class main {
  
  /**
   * @param args
   * @throws BluetoothStateException 
   */
  public static void main(String[] args) throws BluetoothStateException {
      // TODO Auto-generated method stub
      LocalDevice local=null;
      local = LocalDevice.getLocalDevice();
      System.out.printf("this is some text");
  }
  
  }
  </code></pre>
  
  <p>errors occur</p>
  
  <pre><code>C:\Users\HUNGSON\workspace\Java_Test\bin&gt;java main
  Exception in thread "main" java.lang.NoClassDefFoundError: main
  Caused by: java.lang.ClassNotFoundException: main
          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)
  Could not find the main class: main.  Program will exit.
  </code></pre>
  
  <p>please help me !!</p>