Useful utility methods to manipulate Lombok-generated code. ClassesĪ container class containing all Lombok configuration keys that do not belong to a specific annotation. The Java Lombok package contains the following classes, and annotations.
lombok.experimental: The package contains Lombok features that are new or likely to change before committing to long-term support.lombok.extern.*: The packages contain Lombok annotations that are useful to reduce boilerplate issues for libraries.All other packages are only applicable to those who are extending Lombok for their own uses, except the following two packages: The package contains all the annotations and classes required to use Lombok. Provide annotation for checking null values.Also provides delombok utility (adding back all the boilerplate code).By using Lombok the developers becomes more productive.
#Java annotations examples code#
It makes code easier to read and less error-prone.It replaces boilerplate code with easy-to-use annotations.To overcome the same problem, the project Lombok comes into existence. Hence, we deal with lots of boilerplate code.
Adding a finally-block boilerplate to close objects can add a significant amount of clutter to the code. What about when we are utilizing Java objects that need to be closed after use, so we need to code a finally-block or use try-with-resources to ensure that the object closing occurs. Moreover, adding a constructor and a toString() technique will cause much more lines of code and mess. Generating getters and setters for each field increases the line of code. For these fields, we have to generate getters and setters accessor methods to provide access. Suppose, we are developing a Java application for which a POJO file is required that has several private fields. The Lombok Java API includes the following packages that can be used for different purposes. While the project Lombok adds all these boilerplate codes at the compile-time in the class file instead of adding these boilerplate code in original source code. When we use IDEs to generate these boilerplate codes (getters and setters), we save ourselves from writing getters and setters manually but it actually exists in the source code that increases the lines of code, and reduces maintainability and readability. The answer is no, IDEs and Lombok do different works but are closely similar to each other. Here, a question arises that does project Lombok and IDEs do the same work? If yes, then what is the use of Lombok? It is automatically plugging into IDEs and build tools to spice up our Java application. Just by using the annotations, we can save space and readability of the source code. The project Lombok is a popular and widely used Java library that is used to minimize or remove the boilerplate code. In this section, we will discuss the project Lombok, features, Lombok package. It is a tool that spices up our Java application. To overcome this drawback, project Lombok comes into existence. The major drawback is to write lots of boilerplate code. Java is the most popular object-oriented programming language but it has some drawbacks.
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