Method toUpperCase

lib/java/lang/String.java:572–580

(char ch)

    // Optimized for ASCII
    private char toUpperCase(char ch) {
        if (ch < 128) {
            if ('a' <= ch && ch <= 'z') {
                return (char) (ch - ('a' - 'A'));
            }
            return ch;
        }
        return Character.toUpperCase(ch);
    }

    /**
     * Compares the specified string to this string using the Unicode values of