Java tutorial
//package com.java2s; import java.awt.*; public class Main { /** Returns the Screen resolution of all available displays. If ther's only one display you might use: {@link #getScreenSize()} * @return Screen resolution of all available displays. * @see #getScreenSize() */ public static Dimension[] getScreenSizes() { GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); GraphicsDevice[] gs = ge.getScreenDevices(); // Get size of each screen Dimension[] dimension = new Dimension[gs.length]; for (int i = 0; i < gs.length; i++) { DisplayMode dm = gs[i].getDisplayMode(); dimension[i] = new Dimension(dm.getWidth(), dm.getHeight()); } return dimension; } }