import java.awt.*; public class WindowsCenter { /** Définir la position d'affichage d'une fenêtre de type Frame, JFrame, Dialog, etc. */ public static void centre(Window w) { Dimension windowsSize = w.getSize( ), screenSize = Toolkit.getDefaultToolkit( ).getScreenSize( ); int x = (screenSize.width - windowsSize.width) / 2; int y = (screenSize.height- windowsSize.height)/ 2; w.setLocation(x, y); } public static void center(Window w) { WindowsCenter.centre(w); } }