Here you can find the source of msg(String msg)
public static void msg(String msg)
//package com.java2s; /*//w w w.jav a2 s. com * Copyright (C) 2011 Life Technologies Inc. * * 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 2 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.JOptionPane; import javax.swing.JScrollPane; import javax.swing.JTextArea; public class Main { public static void msg(String msg) { if (msg.length() > 500) { JTextArea txt = new JTextArea(msg); txt.setRows(20); txt.setColumns(50); JOptionPane.showMessageDialog(null, new JScrollPane(txt)); } else JOptionPane.showMessageDialog(null, msg); } }