Java tutorial
//package com.java2s; import java.awt.*; public class Main { /** Returns the center of the first display. * @return the center (displayWidht/2,diplayHight/2) of the first display. */ public static Point getScreenCenter() { Dimension dimension = getScreenSize(); return new Point(dimension.width / 2, dimension.height / 2); } /** Returns the Screen resolution. If there're more than one display you might want to use: {@link #getScreenSizes()} * @return the Screen resolution * @see #getScreenSizes() */ public static Dimension getScreenSize() { return Toolkit.getDefaultToolkit().getScreenSize(); } }