import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.IOException;


public class DragTest extends JFrame{

JLabel label;
ImageIcon image;

public DragTest(){

setBounds(10, 10, 1000, 700);
setVisible(true);
setLayout(null);
image=new ImageIcon("oficina1.jpg");
label=new JLabel(image);
label.setBounds(10, 10, 100, 100);
add(label);
oyenteArrastre();


}
public void oyenteArrastre(){
Arrastre a=new Arrastre();
label.addMouseMotionListener(a);
}



class Arrastre  implements MouseMotionListener{


    @Override
public void mouseDragged(MouseEvent e) {

setLocation(label.getX() + e.getX() - label.getWidth()/2 , label.getY() + e.getY() - label.getHeight()/2);

}

    @Override
    public void mouseMoved(MouseEvent e) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

}
    public static void main(String [] args) {
     DragTest d=new DragTest();
    }
}