ImmutableMap.of() workaround for HashMap in Maps?

Question

There are utility methods to create ImmutableMap like Immutable.of(Key, value) and its overload.

But such methods don\'t exist for

Answer 1

ImmutableMap.of() returns a hash based immutable map without order.

If you need ordered immutable map, ImmutableSortedMap.of() is a choice.

ImmutableSortedMap provides methods such as firstKey(), lastKey(), headMap(K) and tailMap(K);

Both classes provide copyOf(Map) method.