import oracle.jdbc.driver.*;
import java.sql.*;

public class Main {
    OracleDriver driver;
    public Main() {

        try{
             // Load the Oracle JDBC driver
            DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
            Connection conn = DriverManager.getConnection(
                "jdbc:oracle:thin:@<server>:<port>:<sid>",
                <user_id>,
                <password>);

             // Create Oracle DatabaseMetaData object
             DatabaseMetaData  meta = conn.getMetaData ();      // get driver info:
             System.out.println("JDBC driver version is " + meta.getDriverVersion());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void main( String[] args ){
        Main main = new Main();
    }
}