All wrapper classes in java.lang are immutable String ... Never store references to external, mutable objects passed to the constructor; if necessary, create copies, and store references to the copies ...

Immutable objects can be shared freely: Public static final constants for commonly used values reused wherever possible. Static factories can be used to share instances instead of creating new once.

We'll follow the same Java Bean pattern and define the ... The point is when you need to create a Value Object or an immutable type, you can use a Record that can fit perfectly on it.

Amazon Web Services (AWS) makes it possible to create immutable storage on S3 by using a feature called Object Lock. Object Lock seems to be best suited to the task of preserving data in accordance ...