Here you can find the source of locateForm(JFrame f, int x, int y, int w, int h)
public static void locateForm(JFrame f, int x, int y, int w, int h)
//package com.java2s; /*//ww w .j a v a 2 s . c o m The GUFF - The GNU Ultimate Framework Facility Copyright (C) Simeosoft di Carlo Simeone This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ import javax.swing.*; import java.awt.*; public class Main { /** * Centra un frame e ne setta le dimensioni */ public static void locateForm(JFrame f, int x, int y, int w, int h) { Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); x = (screenSize.width - w) / 2; y = (screenSize.height - h) / 2; f.setBounds(x, y, w, h); } }