009-java中常用的单个键值对

Map.Entry<String,Integer> entry1 = new AbstractMap.SimpleEntry<String, Integer>("key", 9527);

Map.Entry<String,Integer> entry3 = new DefaultMapEntry("key", 9527)
KeyValue<String,Integer> kv = new DefaultKeyValue("rkey", 9527);

Map.Entry<String,Integer> entry2 = Maps.immutableEntry("key", 9527);

Map.Entry<String,Integer> entry4 =new ImmutablePair<String,Integer>("key", 9527);

NameValuePair nv = new BasicNameValuePair("key", "9527");