Java Map implementation that returns a default value instead of null

Question

I have a Map> in my code, where I\'d avoid potential null pointers if the map\'s #get() method returned an empty l

Answer 1

Thanks to default methods, Java 8 now has this built in with Map::getOrDefault:

Map map = ...
map.put(1, "1");
System.out.println(map.getOrDefault(1, "2")); // "1"
System.out.println(map.getOrDefault(2, "2")); // "2"