Here you can find the source of showErrorMessage(final JComponent parent, final String message, final String title)
public static void showErrorMessage(final JComponent parent, final String message, final String title)
//package com.java2s; /* /* w w w . j av a 2 s .com*/ * Copyright (C) 2014 Center of Excellence in Information Assurance * * 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.JComponent; import javax.swing.JOptionPane; public class Main { public static void showErrorMessage(final JComponent parent, final String message, final String title) { JOptionPane.showMessageDialog(parent, message, title, JOptionPane.ERROR_MESSAGE); } }