Here you can find the source of updateList(JList list, LinkedHashMap
public static <K, V> void updateList(JList list, LinkedHashMap<K, V> map)
//package com.java2s; /*//from www .j a va 2 s. c o m * Copyright (c) 20014-2041 Institute Of Software Chinese Academy Of Sciences * All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * @Organization: http://tca.iscas.ac.cn/ * @author: Nan Zhou * @Aknowledge: Tutor Liwu Zhang , Alumnus Yan Zhang, Zhigang Gao * @Email: changchangge123@qq.com */ import java.util.Iterator; import java.util.LinkedHashMap; import java.util.Map; import javax.swing.DefaultListModel; import javax.swing.JList; public class Main { public static <K, V> void updateList(JList list, LinkedHashMap<K, V> map) { DefaultListModel listValue = new DefaultListModel(); list.removeAll(); Iterator<Map.Entry<K, V>> iter = map.entrySet().iterator(); while (iter.hasNext()) { Map.Entry entry = iter.next(); listValue.addElement(entry.getKey().toString()); } list.setModel(listValue); } }