Here you can find the source of isSorted(List extends Comparable> list)
public static boolean isSorted(List<? extends Comparable> list)
//package com.java2s; /**/* w ww . j a va 2 s. co m*/ * Replication Benchmarker * https://github.com/score-team/replication-benchmarker/ Copyright (C) 2013 * LORIA / Inria / SCORE Team * * 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.*; public class Main { public static boolean isSorted(List<? extends Comparable> list) { return isSorted(list, true); } public static boolean isSorted(List<? extends Comparable> list, boolean strict) { Comparable p = null; for (Comparable c : list) { if (p != null) { int comp = p.compareTo(c); if (comp > 0 || (strict && comp == 0)) { return false; } } p = c; } return true; } }