public static String capitalize( String text ) {
        if( text == null || text.isEmpty() ) {
            return text;
        }
        return text.substring( 0, 1 ).toUpperCase().concat( text.substring( 1, text.length() ) );
    }
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