I had successfully compile my java code in Eclipse with name FaceDetection.java...
I am getting an Exception in thread "main" java.lang.NoSuchMethodError: main....
Please help me to remove this Exception..
Here is the code
import java.awt.;
import java.awt.event.;
import java.awt.image.MemoryImageSource;
import hypermedia.video.OpenCV;
@SuppressWarnings("serial")
public class FaceDetection extends Frame implements Runnable 
{
/**
 * Main method.
 * @param String[]  a list of user's arguments passed from the console to this program
 */
public static void main( String[] args ) 
{
    System.out.println( "\nOpenCV face detection sample\n" );
    new FaceDetection();
} 
// program execution frame rate (millisecond)
final int FRAME_RATE  = 1000/30;
OpenCV cv = null;   // OpenCV Object
Thread t  = null;   // the sample thread
// the input video stream image
Image frame = null;
// list of all face detected area
Rectangle[] squares = new Rectangle[0];
/**
 * Setup Frame and Object(s).
 */
FaceDetection() {
    super( "Face Detection Sample" );
    // OpenCV setup
    cv = new OpenCV();
    cv.capture( 320, 240 );
    cv.cascade( OpenCV.CASCADE_FRONTALFACE_ALT );
    // frame setup
    this.setBounds( 100, 100, cv.width, cv.height );
    this.setBackground( Color.BLACK );
    this.setVisible( true );
    this.addKeyListener(
        new KeyAdapter() {
            public void keyReleased( KeyEvent e ) { 
                if ( e.getKeyCode()==KeyEvent.VK_ESCAPE ) { // ESC : release OpenCV resources 
                    cv.dispose();
                    System.exit(0);
                }
            }
        }
    );
    // start running program
    t = new Thread( this );
    t.start();
}
/**
 * Draw video frame and each detected faces area.
 */
public void paint( Graphics g ) {
    // draw image
    g.drawImage( frame, 0, 0, null );
    // draw squares
    g.setColor( Color.RED );
    for( Rectangle rect : squares )
        g.drawRect( rect.x, rect.y, rect.width, rect.height );
}
/**
 * Execute this sample.
 */
@SuppressWarnings("static-access")
public void run() {
    while( t!=null && cv!=null ) {
        try {
            t.sleep( FRAME_RATE );
            // grab image from video stream
            cv.read();
            // create a new image from cv pixels data
            MemoryImageSource mis = new MemoryImageSource( cv.width, cv.height, cv.pixels(), 0, cv.width );
            frame = createImage( mis );
            // detect faces
            squares = cv.detect( 1.2f, 2, OpenCV.HAAR_DO_CANNY_PRUNING, 20, 20 );
            // of course, repaint
            repaint();
        }
        catch( InterruptedException e ) {;}
    }
}
}