Here you can find the source of newJButton()
public static JButton newJButton()
//package com.java2s; /**/*from ww w. j ava 2 s .co m*/ * Copyright 2009 - 2014 J?rgen Lundgren * * This file is part of org.macroing.wicked. * * org.macroing.wicked 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 3 of the License, or * (at your option) any later version. * * org.macroing.wicked 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 org.macroing.wicked. If not, see <http://www.gnu.org/licenses/>. */ import java.lang.reflect.InvocationTargetException; import javax.swing.JButton; import javax.swing.SwingUtilities; public class Main { public static JButton newJButton() { final JButton[] jButton = new JButton[1]; try { SwingUtilities.invokeAndWait(new Runnable() { @Override public void run() { jButton[0] = new JButton(); } }); } catch (InterruptedException | InvocationTargetException e) { } return jButton[0]; } }