Which One Is Thread-safe-atomic Or Non-atomic?

1.	Which One Is Thread-safe-atomic Or Non-atomic?
Answer» IMMUTABLE OBJECTS are GENERALLY thread-safe. For EXAMPLE: NSString. Immutable objects are generally thread-safe. For example: NSString.

Answer»

For EXAMPLE: NSString.

Immutable objects are generally thread-safe.

For example: NSString.

Discussion