Java tutorial
//package com.java2s; /* * Copyright (c) 2005-2011 KOM - Multimedia Communications Lab * * This file is part of PeerfactSim.KOM. * * PeerfactSim.KOM is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * any later version. * * PeerfactSim.KOM is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with PeerfactSim.KOM. If not, see <http://www.gnu.org/licenses/>. * */ import java.util.Map; public class Main { /** * Copies the entries from <code>source</code> to <code>dest1</code> until * <code>dest1</code> has reached size <code>dest1Capacity</code>. The * remaining entries are saved in <code>overflow</code>. The order of * insertion depends on the iterator of the underlying map. Note that as * <code>dest1</code> is a map, inserting an entry with a key that already * exists in the map does not increase its size (if the insertion is * permitted). * * @param <T> * the key type. * @param <U> * the entry/value type. * @param source * the mappings to be copied. * @param dest1 * the first destination for the entries, to be filled until its * size reaches dest1Capacity. * @param overflow * destination for the remaining entries. * @param dest1Capacity * maximum allowed size for dest1. */ public static <T, U> void copyUntilFull(final Map<? extends T, ? extends U> source, final Map<? super T, ? super U> dest1, Map<T, U> overflow, final int dest1Capacity) { for (final Map.Entry<? extends T, ? extends U> srcEntry : source.entrySet()) { if (dest1.size() < dest1Capacity) { dest1.put(srcEntry.getKey(), srcEntry.getValue()); } else { overflow.put(srcEntry.getKey(), srcEntry.getValue()); } } } }