java蓝牙接收端代码 编译错误 求指导

import java.awt.Robot;
import java.awt.event.KeyEvent;
import java.io.InputStream;

import javax.bluetooth.DiscoveryAgent;
import javax.bluetooth.LocalDevice;
import javax.bluetooth.UUID;
import javax.microedition.io.Connector;
import javax.microedition.io.StreamConnection;
import javax.microedition.io.StreamConnectionNotifier;




public class BlueServer_class{  
  
    public static void main(String[] args) {  
        Thread waitThread = new Thread(new WaitThread());  
        waitThread.start();  
    }  
}  

 class WaitThread implements Runnable{  
  
    /** Constructor */  
    public WaitThread() {  
    }  
  
    @Override  
    public void run() {  
        waitForConnection();  
    }  
  
    /** Waiting for connection from devices */  
    private void waitForConnection() {  
        // retrieve the local Bluetooth device object  
        LocalDevice local = null;  
  
        StreamConnectionNotifier notifier;  
        StreamConnection connection = null;  
  
        // setup the server to listen for connection  
        try {  
            local = LocalDevice.getLocalDevice();  
            local.setDiscoverable(DiscoveryAgent.GIAC);  
  
            UUID uuid = new UUID(80087355); // "04c6093b-0000-1000-8000-00805f9b34fb"  
            String url = "btspp://localhost:" + uuid.toString() + ";name=RemoteBluetooth";  
            notifier = (StreamConnectionNotifier)Connector.open(url);  
        } catch (Exception e) {  
            e.printStackTrace();  
            return;  
        }  
                // waiting for connection  
        while(true) {  
            try {  
                System.out.println("waiting for connection...");   
 
                        connection = notifier.acceptAndOpen();  
  
                Thread processThread = new Thread(new ProcessConnectionThread(connection));  
                processThread.start();  
            } catch (Exception e) {  
                e.printStackTrace();  
                return;  
            }  
        }  
    }  
}  
 
 class ProcessConnectionThread implements Runnable{  
  
    private StreamConnection mConnection;  
  
    // Constant that indicate command from devices  
    private static final int EXIT_CMD = -1;  
    private static final int KEY_RIGHT = 1;  
    private static final int KEY_LEFT = 2;  
  
    public ProcessConnectionThread(StreamConnection connection)  
    {  
        mConnection = connection;  
    }  
  
    @Override  
    public void run() {  
        try {  
            // prepare to receive data  
            InputStream inputStream = mConnection.openInputStream();  
  
            System.out.println("waiting for input");  
  
            while (true) {  
                int command = inputStream.read();  
  
                if (command == EXIT_CMD)  
                {  
                    System.out.println("finish process");  
                    break;  
                }  
                processCommand(command);  
            }   
 
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
    }  
  
    /** 
     * Process the command from client 
     * @param command the command code 
     */  
    private void processCommand(int command) {  
        try {  
            Robot robot = new Robot();  
            switch (command) {  
                case KEY_RIGHT:  
                    robot.keyPress(KeyEvent.VK_RIGHT);  
                    System.out.println("Right");  
                    break;  
                case KEY_LEFT:  
                    robot.keyPress(KeyEvent.VK_LEFT);  
                    System.out.println("Left");  
                    break;  
            }  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
    }  
}  

错误
Exception in thread "Thread-1" java.lang.NoClassDefFoundError: javax/bluetooth/LocalDevice
at WaitThread.waitForConnection(BlueServer_class.java:44)
at WaitThread.run(BlueServer_class.java:31)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.ClassNotFoundException: javax.bluetooth.LocalDevice
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

大神们帮忙看看，小弟刚接触java 愚昧问题请见谅。
[解决办法]
少包了吧，检查下依赖包是否完整了