public String formatName(String firstName, String lastName) { if (firstName != null && lastName != null){ return lastName + ', ' + firstName; } return lastName + firstName; }
Standard input is empty
Object: nil error: did not understand #String MessageNotUnderstood(Exception)>>signal (ExcHandling.st:254) UndefinedObject(Object)>>doesNotUnderstand: #String (SysExcept.st:1448) UndefinedObject>>executeStatements (prog:1) Object: String error: did not understand #firstName MessageNotUnderstood(Exception)>>signal (ExcHandling.st:254) String class(Object)>>doesNotUnderstand: #firstName (SysExcept.st:1448) UndefinedObject>>executeStatements (prog:1)
./prog:2: parse error, expected '}' ./prog:2: expected expression ./prog:2: expected expression