<dependency> <groupId>com.google.guava</groupId> <artifactId>guava</artifactId> <version>29.0-jre</version> </dependency> ImmutableList<String> immutableList = ImmutableList.of("apple", "banana", "cherry"); ImmutableSet<Integer> immutableSet = ImmutableSet.of(1, 2, 3, 4); ImmutableMap<String, Integer> immutableMap = ImmutableMap.of("one", 1, "two", 2); ImmutableList<String> list = ImmutableList.of("apple", "banana", "cherry"); for (String fruit : list) { System.out.println(fruit); } ImmutableList<Integer> numbers = ImmutableList.of(1, 2, 3, 4, 5, 6); Iterable<Integer> evenNumbers = Iterables.filter(numbers, n -> n % 2 == 0);