Java tutorial
//package com.java2s; /******************************************************************************* * Copyright (c) 2007 DSource.org and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Bruno Medeiros - initial implementation *******************************************************************************/ import java.util.Collection; import java.util.function.Predicate; public class Main { public static <ELEM, INTO extends Collection<ELEM>> INTO filter2(INTO into, Iterable<? extends ELEM> from, Predicate<ELEM> predicate) { for (ELEM elem : from) { if (predicate.test(elem)) { into.add(elem); } } return into; } }