Java tutorial
/** * Copyright (C) 2013 * Michael Mosmann <michael@mosmann.de> * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package de.flapdoodle.guava.functions; import java.util.Collection; import com.google.common.base.Function; import com.google.common.collect.ImmutableList; public final class ValueToCollection<V> implements Function<V, Collection<? extends V>> { public java.util.Collection<? extends V> apply(V input) { return ImmutableList.of(input); } }