What is JPA (Java Persistence API) used for in Java backend development?
a) Defining database queries using raw SQL
b) Managing database interactions and object-relational mapping
c) Handling server requests
d) Managing frontend design templates
Answer:
b) Managing database interactions and object-relational mapping
Explanation:
JPA (Java Persistence API) is used to manage relational data in Java applications, providing an abstraction layer to map Java objects to database tables.