ListOrderedMap与Map的区别_JAVA_编程开发_程序员俱乐部

class="java">public class TestListOrderedMap {

    public static void main(String[] args) {

        Map<String, String> map = new HashMap<String, String>();
        map.put("1", "Test1");
        map.put("2", "Test2");
        map.put("3", "Test3");
        map.put("4", "Test4");

        Set<Entry<String, String>> entrySet1 = map.entrySet();
        for (Entry<String, String> entry : entrySet1) {
            System.out.println(entry.getKey() + ":" + entry.getValue());
        }

        Map<String, String> listOrderedMap = ListOrderedMap.decorate(new HashMap());
        listOrderedMap.put("1", "Test1");
        listOrderedMap.put("2", "Test2");
        listOrderedMap.put("3", "Test3");
        listOrderedMap.put("4", "Test4");

        Set<Entry<String, String>> entrySet2 = listOrderedMap.entrySet();
        for (Entry<String, String> entry : entrySet2) {
            System.out.println(entry.getKey() + ":" + entry.getValue());
        }
    }
}