Suppression de Book* dans entities.

-package org.legrog.entities;
-
-import javax.persistence.*;
-
-@Entity
-public class Book {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private int bookId;
-    private String bookTitle;
-
-    public int getBookId() {
-        return bookId;
-    }
-
-    public void setBookId(int bookId) {
-        this.bookId = bookId;
-    }
-
-    public String getBookTitle() {
-        return bookTitle;
-    }
-
-    public void setBookTitle(String bookName) {
-        this.bookTitle = bookName;
-    }
-
-    @Override
-    public String toString() {
-        return "Book{" +
-                "bookId=" + bookId +
-                ", bookTitle='" + bookTitle + '\'' +
-                '}';
-    }
-}
-

-package org.legrog.entities;
-
-import org.springframework.data.jpa.repository.JpaRepository;
-
-
-public interface BookRepository extends JpaRepository<Book, Integer> {
-}