class JDBCVersion
{
  public static void main (String args[]) throws SQLException
  {
    OracleDataSource ods = new OracleDataSource();
    ods.setURL("jdbc:oracle:thin:jdbc/jdbc@localhost:1521/XE");
    Connection conn = ods.getConnection();

    // Create Oracle DatabaseMetaData object
    DatabaseMetaData meta = conn.getMetaData();

    // gets driver info:
    System.out.println("JDBC driver version is " + meta.getDriverVersion());
  }
}

String jdbcUrl = "jdbc:oracle:thin:@localhost:1521/XE"
String userid = "hr";
String password = "hr";
Connection conn;

public void getDBConnection() throws SQLException{
    OracleDataSource ds;
    ds = new OracleDataSource();
    ds.setURL(jdbcUrl);
    conn=ds.getConnection(userid,password);

}