Show the JDBC Version

import java.sql.*;
import oracle.jdbc.pool.OracleDataSource;

class ShowJDBCVersion {

  public static void main (String args[]) throws SQLException {
    OracleDataSource data_source = new OracleDataSource();

    data_source.setURL("jdbc:oracle:thin:rene/rene@localhost:1521:XE");

    Connection      connection = data_source.getConnection();
    DatabaseMetaData meta_data = connection.getMetaData();

    System.out.println("JDBC version: " + meta_data.getDriverVersion());
  }
}

set CLASSPATH=e:\oracleXE\app\oracle\product\10.2.0\server\jdbc\lib\ojdbc14.jar;.
javac ShowJDBCVersion.java

java ShowJDBCVersion