提出物です

src/com/rhizome/example/dao/EmployeeDAO.java

@@ -76,4 +76,32 @@ public class EmployeeDAO {
 		return rtnList;
 	}
 
+	public List<EmployeeDTO> selectById(int id_employee) throws SQLException, ClassNotFoundException {
+		List<EmployeeDTO> rtnList2 = new ArrayList<>();
+		StringBuilder sql = new StringBuilder();
+		sql.append(" SELECT ");
+		sql.append("    " + "*");
+		sql.append(" FROM ");
+		sql.append("    " + TBL_NAME);
+		sql.append(" WHERE " + ID_EMPLOYEE+ "=?");
+		try {
+
+			this.stmt = con.prepareStatement(sql.toString());
+			rs = stmt.executeQuery();
+			while (rs.next()) {
+				EmployeeDTO dto = new EmployeeDTO();
+				dto.setId_employee(rs.getInt("id_employee"));
+				dto.setNm_employee(rs.getString("nm_employee"));
+				dto.setKn_employee(rs.getString("kn_employee"));
+				dto.setMail_address(rs.getString("mail_address"));
+				dto.setPassword(rs.getString("password"));
+				dto.setId_department(rs.getInt("id_department"));
+				rtnList2.add(dto);
+			}
+		} finally {
+			DbUtil.closestatement(this.stmt);
+		}
+		return rtnList2;
+	}
+
 }

src/com/rhizome/example/main/Main.java

@@ -87,6 +87,11 @@ public class Main {
 			case "1":
 				empList = empDao.selectAll();
 				break;
+			case "2":
+				System.out.println("IDを入力してください");
+				
+				empList = empDao.selectById(tblFlg);
+				break;
 			default:
 				return;
 			}