Here you can find the source of getDefaultGraphicsConfiguration()
public static GraphicsConfiguration getDefaultGraphicsConfiguration()
//package com.java2s; /*/*from www .j a v a 2 s. com*/ * Copyright 2010-2013 Institut Pasteur. * * This file is part of Icy. * * Icy is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Icy is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Icy. If not, see <http://www.gnu.org/licenses/>. */ import java.awt.GraphicsConfiguration; import java.awt.GraphicsDevice; import java.awt.GraphicsEnvironment; import java.awt.HeadlessException; public class Main { /** * Return the default graphics configuration. */ public static GraphicsConfiguration getDefaultGraphicsConfiguration() { try { return getDefaultScreenDevice().getDefaultConfiguration(); } catch (Exception e) { return null; } } /** * Return the default screen device. */ public static GraphicsDevice getDefaultScreenDevice() { try { return getLocalGraphicsEnvironment().getDefaultScreenDevice(); } catch (HeadlessException e) { return null; } } public static GraphicsEnvironment getLocalGraphicsEnvironment() { return GraphicsEnvironment.getLocalGraphicsEnvironment(); } }