Mutable and Immutable Objects - RubyLearning

Mutable and Immutable Objects <Syntactic Sugar | TOC | Object Serialization > Mutable objects are objects whose state can change. Immutable objects are objects whose state never changes after creation. Immutable objects have many desirable properties: Immutable objects are thread-safe. Threads cannot corrupt what they cannot change. Immutable objects make it easier to implement encapsulation. If p