This annotation is useful in such cases. That makes no sense) or it is true: If this constructor is public, the fact that lombok made it makes no difference: Your API is now, at least according to your linter's rules, itself overly convoluted. In this tutorial, we'll talk about configuring Lombok in two of the most popular Java IDEs — IntelliJ IDEA and Eclipse. There's no need for them to implement any particular interface, we'll just get the close() method called: @Cleanup InputStream is = this.getClass().getResourceAsStream("res . To start defining or customizing Lombok's behavior, we have to create a file called lombok.config. The Ultimate Lombok Annotations Guide | Nullbeans.com Lombok makes Java cool again Unfortunately, the no-args constructor won't get the default values, making the second test case fail. As the fields are all final, there is no argument constructor. mapstruct: Make use of constructor arguments when instantiating mapping ... Constructor is a special method that is used to initialize objects. lombok configuration: lombok.nonNull.exceptionType = one of: [IllegalArgumentException, NullPointerException, JDK, Guava, or Assertion].Sets the behavior of the generated nullcheck if @NonNull is applied to a method parameter, and a caller passes in null.. In this tutorial, we'll implement a custom annotation using Lombok to remove the boiler-plate around implementing Singletons in an application. 3.2. Now, it shows you the following screen. Create Static Factory Method for @Data. 6. Lombok makes Java cool again - Medium Install Lombok from plugins panel under Preferences panel by searching it, and restart IntelliJIDEA. These qualities make @Value objects effectively immutable. This question was already asked here so I don't have much to add. note that, annoyingly, eclipse's auto-fix imports will turn this into just @Exclude along with an "import lombok.Constructor.Exclude;" statement, not really what we're looking for. Doing this saves us time by reusing the Parent classes . Short description If use Lombok@Data No error message when there is no default constructor in superclass Expected behavior must be error message: There is no default . In my opinion, in that case, lombok should not generate any constructor for @Data nor @Value, as the implementer of the subclass must write all constructors of the subclass (including a potential no-args constructor) to decide what constructor of the superclass is called (and with what parameters) anyway. By adding the @Getter and @Setter annotations, we told Lombok to generate these for all the fields of the class. lombok-builder-default-value - Get docs