Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2016.
 * This file is part of OFlib.
 *
 * OFlib 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.
 *
 * OFlib 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 OFlib.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.*;

public class Main {
    /**
     * Sorts a collection using a comparator and returns it as a {@link List}
     *
     * @param c       Collection to be sorted
     * @param k       Comparator to sort by
     * @param reverse Whether to reverse the sort order
     * @return a {@link List} of the sorted elements
     * @throws IllegalAccessException when unable to access the comparator class
     * @throws InstantiationException when unable to instantiate to comparator class
     */
    public static <E> List<E> sortByCompare(Collection<E> c, Class<? extends Comparator<E>> k, boolean reverse)
            throws IllegalAccessException, InstantiationException {
        Comparator<E> comp = k.newInstance();
        int moves = 0;
        boolean firstRun = true;
        LinkedList<E> l = new LinkedList<>(c);

        while (moves > 0 || firstRun) {
            firstRun = false;
            moves = 0;

            for (int i = 1; i < l.size(); i++) {
                E a = l.get(i - 1);
                E b = l.get(i);
                if (reverse ? comp.compare(a, b) < 0 : comp.compare(a, b) > 0) {
                    l.set(i - 1, b);
                    l.set(i, a);
                    moves++;
                }
            }
        }
        return l;
    }
}