<ul data-eligibleForWebStory="true">The author resumed backend development by continuing the journey with JPA (Java Persistence API) after a break.Focused on key JPA concepts such as @Entity, @id, @Table, and @column, and built relationships using @ManyToOne, @OneToMany, and @JoinColumn.Explored how JPA handles foreign key relationships and implemented CRUD operations with Spring Data JPA repositories.Engaged in derived query methods like findByName and findByStatus.Found the day productive by understanding the power of JPA in modeling real-world relationships with clean code, like Author-Book and Student-Course.Excited to explore JPQL and custom queries in the future.Feeling motivated and ready for more learning and building in the backend development journey.