Java tutorial
//package com.java2s; /* * jngc, Java utility classes by Nicholas Coltharp * Copyright (C) 2010 Nicholas Coltharp <ngc1@rice.edu> * * This program 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 * (at your option) any later version. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ import java.util.Collection; import java.util.Iterator; public class Main { /** * Adds all of the items from a given {@code Iterator} into a * {@code Collection}. * * @param <T> * the element type of the given {@code Iterator} and * {@code Collection} * @param <C> * the type of the given {@code Collection} * @param c * the {@code Collection} to add items to * @param i * the {@code Iterator} to take items from * @return {@code c} */ public static <T, C extends Collection<T>> C fillFromIterator(C c, Iterator<T> i) { while (i.hasNext()) { c.add(i.next()); } return c; } }