Here you can find the source of configureStandardUI()
public static void configureStandardUI()
//package com.java2s; /*// w w w.j a v a 2s . c o m * Copyright (c) 1998-2017 by Richard A. Wilkes. All rights reserved. * * This Source Code Form is subject to the terms of the Mozilla Public * License, version 2.0. If a copy of the MPL was not distributed with * this file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This Source Code Form is "Incompatible With Secondary Licenses", as * defined by the Mozilla Public License, version 2.0. */ import javax.swing.UIManager; public class Main { /** Sets up the standard UI. Should be called very early in the application launch process. */ public static void configureStandardUI() { System.setProperty("apple.laf.useScreenMenuBar", Boolean.TRUE.toString()); //$NON-NLS-1$ try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (Exception ex) { ex.printStackTrace(System.err); } } }