question: private void informUponSimilarName ( final StringBuffer messageBuffer , final String name , final String candidate ) { if ( name . equals ( candidate ) ) { return ; } if ( name . regionMatches ( true , 0 , candidate , 0 , PKG_LEN + 5 ) ) { messageBuffer . append ( " Did you mean '" ) ; messageBuffer . append ( candidate ) ; messageBuffer . append ( "'?" ) ; } }
target:  Appends message if the given name is similar to the candidate.