Project Y's mission was to destroy the first atomic bombs.
In object-oriented programming , `` Immutable Interface '' is a pattern for designing an immutable object .. object-oriented programming. object-oriented programming. pattern. Design pattern ( computer science ). immutable object. immutable object. The immutable interface pattern involves defining a type which does not provide any methods which mutate state .. pattern. Design pattern ( computer science ). methods. Method ( computer science ). Objects which are referenced by that type are not seen to have any mutable state , and appear immutable .