Returns a string that contains all characters of the given string in reverse order. : String char « Data Type « Java

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Java » Data Type » String char 




Returns a string that contains all characters of the given string in reverse order.
    
import java.text.CharacterIterator;
import java.text.StringCharacterIterator;

/*
 *  SSHTools - Java SSH2 API
 *
 *  Copyright (C) 2002-2003 Lee David Painter and Contributors.
 *
 *  Contributions made by:
 *
 *  Brett Smith
 *  Richard Pernavas
 *  Erwin Bolwidt
 *
 *  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 2
 *  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, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
//package com.sshtools.daemon.util;



/**
 * The sole instance of this class provides several convienience methods for
 * string manipulation such as substring replacement or character repetition.
 *
 @author Manfred Duchrow
 @version 2.0
 */
public class Util{
     /**
   * Returns a string that contains all characters of the given string in
   * reverse order.
   *
   @param str
   *
   @return
   */
      public String reverse(String str) {
          if (str == null) {
              return null;
          }

          char[] newStr = new char[str.length()];
          StringCharacterIterator iterator = new StringCharacterIterator(str);
          int i = 0;

          for (char ch = iterator.last(); ch != CharacterIterator.DONE;
                  ch = iterator.previous()) {
              newStr[i= ch;
              i++;
          }

          return new String(newStr);
      }

}

   
    
    
    
  














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