* Version 1.17.3
* Use Map.of and List.of instead of Immutable collections
* Replace explicit type argument.
* Replace lamba with method reference
* Replace condition with Objects.requireNonNullElseGet
* Use String.repeat
* Use new switch expressions
* Use instanceof patten variables which are more compact
* Fuse toUnmodifiableList into stream and return it.
* Remove unnecessary toString() calls.
* Remove unnecessary public
* Extracted common part from if
* Simplify conditional expressions
* Remove unused IOExceptions
* Cast to long
* Use Map.putAll
* Use primitives
* Clarify what is null or not
* Addedd @Serial annotation introduced with Java 14.
* Use Optional.isEmpty instead of !isPresent
* Use flatMap then ifPresent
* Just use Arrays.stream
* Swap map and filter for null with Objects::nonNull
* Use expression lambda
tastybento
tastybento