HashMap to return default value for non-found keys?

Question

Is it possible to have a HashMap return a default value for all keys that are not found in the set?

Answer 1

Not directly, but you can extend the class to modify its get method. Here is a ready to use example: http://www.java2s.com/Code/Java/Collections-Data-Structure/ExtendedVersionofjavautilHashMapthatprovidesanextendedgetmethodaccpetingadefaultvalue.htm