Reverse HashMap keys and values in Java

Question

It\'s a simple question, I have a simple HashMap of which i want to reverse the keys and values.

HashMap myHashMap = new HashMap<         


        

Answer 1

Iterate through the list of keys and values, then add them.

HashMap reversedHashMap = new HashMap();
for (String key : myHashMap.keySet()){
    reversedHashMap.put(myHashMap.get(key), key);
}