Here you can find the source of getPassword(String message)
public static String getPassword(String message)
//package com.java2s; /*/*w w w .ja v a 2 s. co m*/ * Copyright (C) 2008-2015 by Holger Arndt * * This file is part of the Universal Java Matrix Package (UJMP). * See the NOTICE file distributed with this work for additional * information regarding copyright ownership and licensing. * * UJMP is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * UJMP 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with UJMP; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301 USA */ import javax.swing.JOptionPane; import javax.swing.JPasswordField; public class Main { public static String getPassword(String message) { JPasswordField passwordField = new JPasswordField(); JOptionPane.showConfirmDialog(null, passwordField, message, JOptionPane.OK_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); return new String(passwordField.getPassword()); } }