java hashmap key, value 가져오기

java hashmap key 가져오기

Collection k = 맵.keySet();

Iterator itr = k.iterator();

String keyName;

while(itr.hasNext()){
   
    keyName = (String) itr.next();

    System.out.println("keyName : " + keyName);

    System.out.println("valName : " + 맵.get(keyName));
}