@Entity @Table(name=”tbl_product”) public class ProductEntity { @Id @Column(name=”product_id”) private Integer productId; @Column(name=”product_nm”) private String productName; private Integer quantity; private Double unitPrice; @CreationTimestamp @Column(name=”created_on”) private LocalDateTime createdOn; @Column(name=”updated_on”) @UpdateTimestamp private LocalDateTime updatedOn; public interface ProductDao { ProductEntity saveProduct(ProductEntity product); ProductEntity loadProductById(Integer productId); ProductEntity updateProductById(Integer productId, Double newUnit_Price); ProductEntity deleteProductById(Integer productId); } public class ProductDaoImpl implements ProductDao […]