JSON to Java Class Generator
Convert JSON data to Java POJO classes with getters, setters, and Lombok support. Generate clean Java code from JSON samples.
Generated Java class will appear here...
Field names are converted to camelCase. Nested objects become separate classes. Enable Lombok to reduce boilerplate code.
Why Use JSON to Java Class?
When integrating with REST APIs in Java, you need POJO (Plain Old Java Object) classes to serialize and deserialize JSON. This tool automatically generates Java classes with proper types, getters, setters, and optional Lombok annotations from JSON samples.
Frequently Asked Questions
What is Lombok?
Lombok is a Java library that reduces boilerplate code by generating getters, setters, constructors, and other common methods at compile time using annotations like @Data, @Getter, and @Setter.
Should I use public fields or getters/setters?
In most Java applications, using private fields with getters and setters is preferred for encapsulation. Public fields are simpler but break encapsulation principles.
How are nested objects handled?
Nested JSON objects are converted to separate Java classes. Each nested object becomes its own class file, allowing for clean separation and reusability.