Here you can find the source of pause()
public static void pause()
//package com.java2s; /*//from ww w.j a va 2 s . c o m * Copyright (c) 2015. * * This file is part of VaSOLSim. * * VaSOLSim 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. * * VaSOLSim 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 VaSOLSim. If not, see <http://www.gnu.org/licenses/>. */ public class Main { /** * pauses a thread */ public static void pause() { pause(300); } /** * pauses a thread * * @param time time */ public static void pause(long time) { try { Thread.sleep(time); } catch (InterruptedException e) { throw new RuntimeException(e); } } }