What are immutable dictionaries in Scala?

What are immutable dictionaries in Scala?

Immutable dictionaries in Scala are collections that cannot be modified after they are created. They provide a way to store key-value pairs where the structure remains constant.

How do I create an immutable dictionary in Scala?

You can create an immutable dictionary using the Map object. For example: val myMap = Map("key1" -> "value1", "key2" -> "value2").

Can I add or remove elements from an immutable dictionary?

No, you cannot modify an immutable dictionary directly. However, you can create a new dictionary with the desired changes using methods like + to add or - to remove elements.

What are the benefits of using immutable dictionaries?

Immutable dictionaries offer thread safety, easier reasoning about code, and can lead to fewer bugs since their state cannot change.