Java tutorial
//package com.java2s; /* * Carrot2 project. * * Copyright (C) 2002-2006, Dawid Weiss, Stanislaw Osinski. * Portions (C) Contributors listed in "carrot2.CONTRIBUTORS" file. * All rights reserved. * * Refer to the full license file "carrot2.LICENSE" * in the root folder of the repository checkout or at: * http://www.carrot2.org/carrot2.LICENSE */ import java.awt.*; import javax.swing.*; public class Main { /** * Displays a message dialog with given information. */ public static void showInformationDialog(Component component, String message) { final JPanel panel = new JPanel(new BorderLayout(5, 5)); final JLabel messageLabel = new JLabel(message); messageLabel.setFont(new Font("Dialog", Font.BOLD, messageLabel.getFont().getSize())); panel.add(messageLabel, BorderLayout.CENTER); // Adjust stack trace dimensions final Dimension screenDimension = Toolkit.getDefaultToolkit().getScreenSize(); screenDimension.setSize(screenDimension.getWidth() * 0.7, screenDimension.getHeight() * 0.7); final Dimension maxStackTraceDimension = new Dimension(500, 500); maxStackTraceDimension.setSize(Math.min(maxStackTraceDimension.getWidth(), screenDimension.getWidth()), Math.min(maxStackTraceDimension.getHeight(), screenDimension.getHeight())); JOptionPane.showMessageDialog(component, panel, "Information", JOptionPane.INFORMATION_MESSAGE); } }