public static String camelCaseToReadableText( String camelCase ) {
        return CaseFormat.UPPER_CAMEL.to( CaseFormat.LOWER_UNDERSCORE, camelCase ).replace( '_', ' ' );
    }
Returns the given text with the first letter in upper case.

<h2>Examples:</h2>
<pre>
capitalize("hi") == "Hi"
capitalize("Hi") == "Hi"
capitalize("hi there") == "hi there"
capitalize("") == ""
capitalize(null) == null
</pre>
@param text the text to capitalize
@return text with the first letter in upper case
jgiven-core/src/main/java/com/tngtech/jgiven/impl/util/WordUtil.java