/*license*\ XBN-Java: Copyright (C) 2014, Jeff Epstein (aliteralmind __DASH__ github __AT__ yahoo __DOT__ com) This software is dual-licensed under the: - Lesser General Public License (LGPL) version 3.0 or, at your option, any later version; - Apache Software License (ASL) version 2.0. Either license may be applied at your discretion. More information may be found at - http://en.wikipedia.org/wiki/Multi-licensing. The text of both licenses is available in the root directory of this project, under the names "LICENSE_lgpl-3.0.txt" and "LICENSE_asl-2.0.txt". The latest copies may be downloaded at: - LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt - ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt \*license*/ package com.github.xbn.examples.lang.non_xbn.basic; import java.util.Arrays; import java.util.List; /** <p>Find the missing number in an ordered list of ints.</p> <p>{@code java com.github.xbn.examples.lang.non_xbn.basic.FindMissingNumInSequence}</p> * @since 0.1.0 * @author Copyright (C) 2014, Jeff Epstein ({@code aliteralmind __DASH__ github __AT__ yahoo __DOT__ com}), dual-licensed under the LGPL (version 3.0 or later) or the ASL (version 2.0). See source code for details. <a href="http://xbnjava.aliteralmind.com">{@code http://xbnjava.aliteralmind.com}</a>, <a href="https://github.com/aliteralmind/xbnjava">{@code https://github.com/aliteralmind/xbnjava}</a> **/ public class FindMissingNumInSequence { public static final void main(String[] ignored) { List<Integer> ascUnqIntList = Arrays.asList(4, 5, 8, 9); int num = ascUnqIntList.get(0); //Initialize to the first one for(int i : ascUnqIntList) { if(num != i) { System.out.println("First missing number in sequence: " + num); break; } System.out.println(i); num++; } } }