stringconverter.java

java tutorial.sun公司官方出品。java入门书籍。最新版

/*
 * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved.
 *
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 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
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 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 */ 


import java.io.*;
import java.util.*;

public class StringConverter {

   public static void printBytes(byte[] array, String name) {
      for (int k = 0; k < array.length; k++) {
         System.out.println(name + "[" + k + "] = " + "0x" +
            UnicodeFormatter.byteToHex(array[k]));
      }
   }

   public static void main(String[] args) {

      System.out.println(System.getProperty("file.encoding"));
      String original = new String("A" + "\u00ea" + "\u00f1"
                                 + "\u00fc" + "C");
   
      System.out.println("original = " + original);
      System.out.println();
   
      try {
          byte[] utf8Bytes = original.getBytes("UTF8");
          byte[] defaultBytes = original.getBytes();
 
          String roundTrip = new String(utf8Bytes, "UTF8");
          System.out.println("roundTrip = " + roundTrip);
 
          System.out.println();
          printBytes(utf8Bytes, "utf8Bytes");
          System.out.println();
          printBytes(defaultBytes, "defaultBytes");
      } catch (UnsupportedEncodingException e) {
          e.printStackTrace();
      }
      
   } // main

}