code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2017 Daniel Naber (http://www.danielnaber.de)
   * 
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library 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 library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
   * USA
   */
  package org.languagetool.dev.wordsimilarity;
  
  /**
   * English keyboard distances.
   */
  class QwertyKeyboardDistance extends BaseKeyboardDistance {
  
    private static final char[][] KEYS = {
            {'\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'},
            {'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', 'ü'},
            {'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'ö', 'ä'},
            {'z', 'x', 'c', 'v', 'b', 'n', 'm'}
    };
  
    @Override
    char[][] getKeys() {
      return KEYS;
    }
  
  }
  