Map的解析

Map的解析(2种)：

(1)Iterator it=map.keySet().iterator();

while(it.next()){

     Object obj=it.next();

     Object value=map.get(obj);

     System.out.println("key="+obj+",value="+value);

}


(2)Iterator it=map.entrySet().iterator();

    while(it.next()){

       Map.Entry entry=(Map.Entry)it.next();

       String key=entry.getKey().toString();

       String value=entry.getValue().toString();

       System.out.println("key="+obj+",value="+value);

    }