Java tutorial
//package com.java2s; /* * Hello Minecraft!. * Copyright (C) 2013 huangyuhui <huanghongxun2008@126.com> * * 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.JComboBox; import javax.swing.JOptionPane; public class Main { public static int select(String[] selList, String msg) { JComboBox<String> box = new JComboBox<>(selList); Object msgs[] = new Object[2]; msgs[0] = msg; msgs[1] = box; int result = JOptionPane.showOptionDialog(null, msgs, msg, JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null, null, null); if (result == JOptionPane.CANCEL_OPTION) return -1; return box.getSelectedIndex(); } }