/* * Copyright (c) 1999, 2023, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* @test @bug 4209474 @summary setSelectedItem(int) should only fire events if selection changed - avoid recursive calls */ import javax.swing.JComboBox; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; public class bug4209474 { public static void main(String[] args) { JComboBox comboBox = new JComboBox( new Object[] { "Coma Berenices", "Triangulum", "Camelopardis", "Cassiopea"}); ActionListener listener = new ActionListener() { public void actionPerformed(ActionEvent e) { comboBox.setSelectedIndex(0); } }; comboBox.addActionListener(listener); comboBox.setSelectedIndex(0); } }