a compiled representation of a regular expression in a string form
                                                            
                                                     
                        
                                                
                        
                        
                            a ListResourceBundle that has the required getContents() method that returns an array of message-key/message associations
                                                            
                                                     
                        
                                                
                        
                        
                            an array which contains the objects as strings which makes searching for objects possible