Assuming map is your instance of Map :
map.values() will return a Collection containing all of the map's values
map.keys() will return a Set containing all of the map's keys
map.entrySet() will return a Set containing all map key value pairs.
Get list of keys
Get list of values
map.values() will return a Collection containing all of the map's values
map.keys() will return a Set containing all of the map's keys
map.entrySet() will return a Set containing all map key value pairs.
Get list of keys
List<String> list = new ArrayList<String>(map.keySet());
Get list of values
List<String> list = new ArrayList<String>(map.values());
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