Here you can find the source of makeFullScreen(JFrame frame)
public static void makeFullScreen(JFrame frame)
//package com.java2s; /******************************************************************************* * This program 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. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. *******************************************************************************/ import javax.swing.JFrame; public class Main { public static void makeFullScreen(JFrame frame) { frame.setExtendedState(JFrame.MAXIMIZED_BOTH); frame.setUndecorated(true);/*from w ww . java 2 s . c om*/ frame.setResizable(false); } }