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copied!<p>Despite a char oriented approach I would suggest a String oriented solution. <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html#toLowerCase(java.util.Locale)" rel="noreferrer">String.toLowerCase</a> is Locale specific, so I would take this issue into account. <code>String.toLowerCase</code> is to prefer for lower-caseing according to <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Character.html#toLowerCase%28char%29" rel="noreferrer">Character.toLowerCase</a>. Also a char oriented solution is not full unicode compatible, because <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Character.html#toLowerCase%28char%29" rel="noreferrer">Character.toLowerCase</a> cannot handle supplementary characters.</p> <pre><code>public static final String uncapitalize(final String originalStr, final Locale locale) { final int splitIndex = 1; final String result; if (originalStr.isEmpty()) { result = originalStr; } else { final String first = originalStr.substring(0, splitIndex).toLowerCase( locale); final String rest = originalStr.substring(splitIndex); final StringBuilder uncapStr = new StringBuilder(first).append(rest); result = uncapStr.toString(); } return result; } </code></pre> <p><strong>UPDATE:</strong> As an example how important the locale setting is let us lowercase <code>I</code> in turkish and german:</p> <pre><code>System.out.println(uncapitalize("I", new Locale("TR","tr"))); System.out.println(uncapitalize("I", new Locale("DE","de"))); </code></pre> <p>will output two different results:</p> <blockquote> <p>ı</p> <p>i</p> </blockquote>

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