What are immutable objects in Ruby?

What are immutable objects in Ruby?

Immutable objects in Ruby are objects whose state cannot be modified after they are created. Examples include strings and symbols.

Can you give me an example of an immutable object?

Sure! A string in Ruby is immutable. If you try to change it, a new string is created instead of modifying the original.

Why would I want to use immutable objects?

Using immutable objects can help prevent bugs, make your code easier to understand, and improve performance in some cases.

Are there any mutable objects in Ruby?

Yes, arrays and hashes are examples of mutable objects in Ruby, as their contents can be changed after creation.