Java 8 collector for Guava immutable collections?

Question

I really like Java 8 streams and Guava\'s immutable collections, but I can\'t figure out how to use the two together.

For example, how do I implement a Java 8 Collec

Answer 1

Since version 21, you can

.collect(ImmutableSet.toImmutableSet())
.collect(ImmutableMap.toImmutableMap())
.collect(Maps.toImmutableEnumMap())
.collect(Sets.toImmutableEnumSet())
.collect(Tables.toTable())
.collect(ImmutableList.toImmutableList())
.collect(Multimaps.toMultimap(...))