Centering a form

Question

I'm new to java programming. My program is up and running, however when I load it, the form loads in the top left corner. I'm using a form with the contents in a FlowLayout. Any advice on how to get the form to load in the center of the screen.
Thanks,

Answer 1

I have done a helper class you can use if you want to.
import java.awt.Dimension;
import java.awt.Component;
* This class is a Util for awt Component and could be
* used to place them in center of an other.
* @author  <a href="mailto:[email protected]">Bo Regnlin</a>
* @version 1.0
public class ComponentUtil
           * Use this static method if you want to center
     * and set its propsion compared to the size of
     * the current users screen size.
     * Valid percent is between +-(0-100) minus is treated
     * as plus, bigger than 100 is always set to 100.
           *@param  component The component you want to center and set size on.
           *@param  percentOfScreen The percent of the current screensize you want
     *        the component to be.
  public static void centerComponentInWindow(Component component, int percentOfScreen)
    if(percentOfScreen < 0)
      centerComponentInWindow(component, - percentOfScreen);
      return;
    if(percentOfScreen > 100)
      centerComponentInWindow(component, 100);
      return;
    double percent = percentOfScreen / 100.d;
    Dimension dimension = component.getToolkit().getScreenSize();
    component.setSize((int)(dimension.getWidth()*percent),
                      (int)(dimension.getHeight()*percent));
    centerComponentInWindow(component);
           * Use this static method if you want to center a component in Window.
           *@param  component The component you want to center in window.
  public static void centerComponentInWindow(Component component)
    Dimension dimension = component.getToolkit().getScreenSize();
    component.setLocation((int)((dimension.getWidth()-component.getWidth())/2),
                          (int)((dimension.getHeight()-component.getHeight())/2));
    component.validate();
    component.repaint();
           * Use this static method if you want to center
     * a component over an other component.
           *@param  parent The component you want to use to place it on.
           *@param  toBeCentered The component you want to center.
  public static void centerComponentInComponent(Component parent, Component toBeCentered)
    toBeCentered.setLocation((int)parent.getX() + (int)((parent.getWidth()-toBeCentered.getWidth())/2),
                            (int)parent.getY() + (int)((parent.getHeight()-toBeCentered.getHeight())/2));
    toBeCentered.validate();
    toBeCentered.repaint();
}