Java tutorial
//package com.java2s; /** * DataCleaner (community edition) * Copyright (C) 2014 Neopost - Customer Information Management * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the GNU * Lesser General Public License, as published by the Free Software Foundation. * * 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 Lesser General Public License * for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this distribution; if not, write to: * Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor * Boston, MA 02110-1301 USA */ import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.Comparator; import java.util.List; public class Main { public static <E> List<E> sorted(Collection<E> col, Comparator<? super E> comparator) { final List<E> list = new ArrayList<>(col); Collections.sort(list, comparator); return list; } public static <E extends Comparable<? super E>> List<E> sorted(Collection<E> col) { final List<E> list = new ArrayList<>(col); Collections.sort(list); return list; } }