Modeling Contact Information with Data and Programming

Discussion on modeling contact information with data and programming, covering records, interfaces, sealed interfaces, safety with type switching, Kotlin data classes copy, challenges with records, creating copies with modified fields, 'with expression', Java 22 release, foreign function memory API, release cadence, naming conventions, single underscores in variable names, evolution of single underscores in Java, switching over a sealed type in Java, covering all subtypes, implications of adding a new type to the sealed type.