오라클 JDBC 드라이버를 이용한 데이터베이스 연결방법

:: JDBC 드라이버 복사
C:\oraclexe\app\oracle\product\11.2.0\server\jdbc\lib 폴더 안에 ojdbc6_g.jar 파일을
C:\Java\jre1.8.0_162\lib\ext 로 복사

:: 간단한 사용 예시

Connection connection;
Statement statement;
ResultSet resultSet;

String driver = "oracle.jdbc.driver.OracleDriver";
String url = "jdbc:oracle:thin:@localhost:1521:xe";
String uid = "publicvoid";
String upw = "privatevoid";
String query = "select * from void_members";

try {
	Class.forName(driver);
	connection = DriverManager.getConnection(url, uid, upw);
	statement = connection.createStatement();
	resultSet = statement.executeQuery(query);
	
	while (resultSet.next()) {
		String id = resultSet.getString("user_id");
		String pw = resultSet.getString("user_pw");
		String name = resultSet.getString("user_name");
		String mobile = resultSet.getString("user_mobile");
		out.println("아이디 : " + id + " / 패스워드 : " + pw + " / 이름 : " + name + " / 휴대전화 : " + mobile);
	}
} catch (Exception exception) {
	exception.printStackTrace();
} finally {
	try {
		if (resultSet != null) resultSet.close();
		if (statement != null) statement.close();
		if (connection != null) connection.close();
	} catch (Exception exception2) {
		exception2.printStackTrace();
	}
}