| r | r := Random new. r nextInteger: 6. r printNl.
Standard input is empty
Object: Random new "<0x7f4a7d880380>" error: did not understand #nextInteger: MessageNotUnderstood(Exception)>>signal (ExcHandling.st:254) Random(Object)>>doesNotUnderstand: #nextInteger: (SysExcept.st:1448) UndefinedObject>>executeStatements (prog:3) a Random