AI Java Class Generator

The generator creates standard classes with getters, setters, and constructors; Java 16+ records for immutable data carriers; JPA entities with proper annotations for database mapping; DTOs for API data transfer with Jackson annotations; and Lombok-annotated classes that reduce boilerplate. Each type follows Java conventions and best practices for its specific purpose.

Yes, the Standard and Full feature levels include a static inner Builder class with fluent setter methods and a build method with validation. For Lombok classes, it uses the @Builder annotation. The builder pattern makes object construction readable and prevents partially constructed objects by validating required fields in the build step.

JPA entities include @Entity and @Table annotations, @Id with generation strategy, @Column annotations with proper nullable and length settings, relationship annotations like @ManyToOne and @OneToMany with fetch types, @CreatedDate and @LastModifiedDate for audit fields, and proper equals/hashCode implementation based on the business key rather than the database ID.

The generator uses Jakarta Bean Validation annotations: @NotNull and @NotBlank for required fields, @Size for string length constraints, @Min and @Max for numeric ranges, @Email for email format, @Pattern for regex validation, @Positive for positive numbers, and @Past or @Future for date constraints. Each annotation includes a descriptive error message.

The Full feature level generates proper equals and hashCode implementations. For JPA entities, it uses the business key or natural identifier rather than the database ID to avoid issues with detached entities. For value objects and DTOs, it includes all fields. The implementation follows the contract defined in Object and works correctly with collections.