Java styles

Different flavours of Java

Mutable/OOP (DI) vs. Immutable/functional
- final vs. non-final (Lombok’s val)
- DI service vs. @Utility
null vs. Optional
Generics actively vs. passively
Type inference
Checked exception vs. RuntimeException
- @SneakyThrows
With or without Lombok
- @Data, @Builder
Traits: Interfaces with default implementation
Statements (for, break, continue) vs. methods (forEach/map, findFirst, filter)
JDK 7, 8, 11, 16