Here you can find the source of convertArrayIndexToShipLetter(int i)
public static String convertArrayIndexToShipLetter(int i)
//package com.java2s; /**//from www .j a v a 2 s . c o m * Copyright (C) 2003-2012 Joe Hopkinson, Jay Ashworth * * JavaTrek is based on Chuck L. Peterson's MTrek. * * This file is part of JavaTrek. * * JavaTrek 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 2 of the License, or * (at your option) any later version. * * JavaTrek 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 JavaTrek; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ public class Main { public static String convertArrayIndexToShipLetter(int i) { // in the array, 123...890 takes up the first 10, ABC...XYZ, the next 26, and abc...xyz the final 26 if (i >= 0 && i <= 9) { i += 48; } else if (i >= 10 && i <= 35) { i += 65; } else if (i >= 36 && i <= 51) { i += 97; } return (Character.toString((char) i)); } }