1. DB 테이블 생성CREATE TABLE IMAGETEST(NUM NUMBER PRIMARY KEY,SUBJECT VARCHAR2(20) NOT NULL,SAVEFILENAME VARCHAR2(50) NOT NULL)2. DTO 생성public class imageTestDTO {private int num;private String subject;private String saveFileName;getter,setter 작성}3. DAO 생성public class imageTestDAO {private Connection conn = null;public imageTestDAO(Connection conn){this.conn = conn;}//레코드번호public int getMaxNum(){int..