Đọc chương mẫu

public class Main {
    public static void main(String[] args) throws SQLException, IOException, ClassNotFoundException {
        HikariDataSource ds = HikariSetup.createDataSource();
        String query = """
            SELECT book_id, sample_chapter FROM book_content bc
            """;
        try (Connection conn = ds.getConnection();
             PreparedStatement pstmt = conn.prepareStatement(query);
             ResultSet rs = pstmt.executeQuery()) {
            while (rs.next()) {
				// Read the stream from the result set
                ____ reader = rs.____("sample_chapter");
                // Read the first 30 characters
                char[] cb = new ____[____];
                reader.read(cb);
                System.out.printf("Book Id: %d, sample chapter: %s ...\n", rs.getInt("book_id"), new String(cb));
            }
        }
    }
}