最低限のRepositoryの追加

team1/src/main/java/com/example/demo/repository/Book_CollectionRepository.java

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+package com.example.demo.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import com.example.demo.entity.Book_collectionEntity;
+
+@Repository
+public interface Book_CollectionRepository extends JpaRepository<Book_collectionEntity, Integer> {
+
+}

team1/src/main/java/com/example/demo/repository/Borrow_BooksRepository.java

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+package com.example.demo.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import com.example.demo.entity.Borrow_booksEntity;
+
+@Repository
+public interface Borrow_BooksRepository extends JpaRepository<Borrow_booksEntity, Integer> {
+
+}

team1/src/main/java/com/example/demo/repository/EmployeeRepository.java

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+package com.example.demo.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import com.example.demo.entity.EmployeeEntity;
+
+@Repository
+public interface EmployeeRepository extends JpaRepository<EmployeeEntity, Integer> {
+
+}