摘要：因为原作者禁止转载，只把链接保存下来了。http://hi.baidu.com/glaivelee/blog/item/d3d6f7fc79acb2effd037f5d.html 阅读全文

摘要：Java代码 //JDK1.5 Map m = new HashMap(); for (Object o : map.keySet()){ map.get(o); } JDK1.4 Map map = new HashMap() ; Iterator it = map.entrySet().iterator() ; while (it.hasNext()) { Map.Entry entry = (Map.Entry) it.next() ; Object key = entry.getKey() ; Object value = entry.getValue() ; } 阅读全文