/** Center a component in the middle of the screen. */
public static void centerComponent(java.awt.Component component) {
java.awt.Dimension screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
java.awt.Dimension size = component.getSize();
screenSize.height = screenSize.height / 2;
screenSize.width = screenSize.width / 2;
size.height = size.height / 2;
size.width = size.width / 2;
component.setLocation(screenSize.width - size.width, screenSize.height - size.height);
}
public static void centerFrame(java.awt.Component c) {
java.awt.Toolkit tk = java.awt.Toolkit.getDefaultToolkit();
c.setLocation(
(int) ((tk.getScreenSize().getWidth() - c.getWidth()) / 2),
(int) ((tk.getScreenSize().getHeight() - c.getHeight()) / 2));
}