<dependency> <groupId>org.eclipse.collections</groupId> <artifactId>eclipse-collections</artifactId> <version>10.4.0</version> </dependency> import org.eclipse.collections.api.list.ImmutableList; import org.eclipse.collections.impl.factory.Lists; public class EclipseCollectionsExample { public static void main(String[] args) { ImmutableList<String> names = Lists.immutable.of("Alice", "Bob", "Charlie", "David"); ImmutableList<String> filteredNames = names.select(name -> name.length() > 3); ImmutableList<String> upperCaseNames = filteredNames.collect(String::toUpperCase); upperCaseNames.each(System.out::println); } }