Strings ni mfululizo wa herufi unaobadilika (mutable); symbols (:name) ni vitambulisho visivyobadilika (immutable), vilivyo interned — symbol ileile ni object yaleyale halisi kwenye memory kila mahali. Symbols hutumika kama vitambulisho vyepesi na vyenye ufanisi (hasa hash keys), ilhali strings hushikilia data halisi ya maandishi.
Tofauti ya msingi: utambulisho na ubadilikaji
.object_id == .object_id
<<
.object_id == .object_id
.frozen?
