Java: Access Modifiers and Visibility

Immutability prevents changes to object state, ensuring encapsulation.

Immutability enhances encapsulation by ensuring that once an object's state is set, it cannot be changed. This is particularly useful in multi-threaded environments where consistent state is crucial. In an e-commerce application, an immutable `Order` class might prevent any changes to the order details once the order is placed, ensuring data consistency.