src/main/java/com/forum/repository/SubforumRepository.java
package com.forum.repository;
import com.forum.model.Subforum;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
import java.util.Optional;
@Repository
public interface SubforumRepository extends JpaRepository<Subforum, Long> {
Optional<Subforum> findByName(String subforumName);
}