question: public static final String capitalize ( String str , char ... delimiters ) { final int delimLen = delimiters == null ? - 1 : delimiters . length ; if ( TextUtils . isEmpty ( str ) || delimLen == 0 ) { return str ; } final char [ ] buffer = str . toCharArray ( ) ; boolean capitalizeNext = true ; for ( int i = 0 ; i < buffer . length ; i ++ ) { char ch = buffer [ i ] ; if ( isDelimiter ( ch , delimiters ) ) { capitalizeNext = true ; } else if ( capitalizeNext ) { buffer [ i ] = Character . toTitleCase ( ch ) ; capitalizeNext = false ; } } return new String ( buffer ) ; }
target:  Capitalizes the first character in a string