파일명 : DBconnection.java package db.beans; import java.sql.Connection;import java.sql.DriverManager; public class DBconnection {public static Connection getConnection() throws Exception {System.out.println("DB연결시도");Class.forName("oracle.jdbc.driver.OracleDriver");return DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:XE", "madang", "madang");} public static Connection getConnection..