Jav Imut Work -

var names = List.of("Alice", "Bob"); // names.add("Charlie"); // throws UnsupportedOperationException Classic approach for custom immutable classes. 5. Defensive copying in constructors/getters Prevent internal array/collection mutation. If you meant something else by jav.imut (a library, tool, or typo of another term like javax + immutable ), please clarify — I’ll give a more precise answer.

var list = new ArrayList<String>(); var unmodifiable = Collections.unmodifiableList(list); Create immutable collections directly. jav imut

If you meant , here are the most useful ones: 1. record (Java 14+, finalized in Java 16) Automatically creates an immutable data carrier class. var names = List