Java String Upper Case toUpperCase(final char c)

Description

to Upper Case

License

Open Source License

Declaration

public static char toUpperCase(final char c) 

Method Source Code

//package com.java2s;
/*/*from w  w  w . j av  a  2  s. c  o  m*/
 * Copyright (c) 2015 Gargoyle Software Inc.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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
 * version 2 for more details (http://www.gnu.org/licenses/).
 */

public class Main {
    public static char toUpperCase(final char c) {
        return (char) toUpperCase((int) c);
    }

    public static int toUpperCase(final int c) {
        if (c < 128) {
            return ('a' <= c && c <= 'z') ? c + ('A' - 'a') : c;
        }
        // Do not convert non-ASCII lower case character to ASCII upper case.
        final int upper = Character.toUpperCase(c);
        return (upper < 128) ? c : upper;
    }
}

Related

1. toUpperCase(CharSequence string)
2. toUpperCase(final String s)
3. toUpperCase(final String s)
4. toUpperCase(final String s)
5. toUpperCase(final StringBuilder src)