Convert among Unicode, ASCII and byte/int

     
/*
 * Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
 * All rights reserved. Software written by Ian F. Darwin and others.
 * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
 * cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
 * pioneering role in inventing and promulgating (and standardizing) the Java 
 * language and environment is gratefully acknowledged.
 * 
 * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
 * inventing predecessor languages C and C++ is also gratefully acknowledged.
 */

/** Convert among Unicode, ASCII and byte/int. */
public class UnicodeCast {
  public static void main(String[] args) {

    // Simple arithmetic on chars - VERY BAD for internationalization!
    System.out.println("'a' + 1 = " + (char) ('a' + 1));

    // Truncate characters by casting to byte (16-bit to 8-bit casting)
    char yen = '\u00a5'; // Japanese Yen
    char aeAcute = '\u01FC'; // Roman AE with acute accent
    System.out.println("Yen as byte: " + (byte) yen);
    System.out.println("AE' as byte: " + (byte) aeAcute);
    System.out.println("Yen as byte to char: " + (char) (byte) yen);
    System.out.println("AE' as byte to char: " + (char) (byte) aeAcute);

    // Convert ints to chars
    int iYen = 0xa5;
    int iaeAcute = 0x01fc;
    System.out.println("Yen from int = " + (char) iYen);
    System.out.println("AE' from int = " + (char) iaeAcute);

  }
}

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Convert among Unicode, ASCII and byte/int : Code Unicode « Development Class « Java

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