Connection pools

...
  import java.sql.*;
  import javax.sql.*;
  ...
  public class AccountBean implements EntityBean {
  ...
  public Collection ejbFindByLastName(String lName) {
     try {
           String dbdriver =  new InitialContext().lookup("java:comp/env/DBDRIVER").toString();
           Class.forName(dbdriver).newInstance();
           Connection conn = null;
           conn = DriverManager.getConnection("java:comp/env/DBURL", "userID", "password");
           ...
           conn.close();
        }
  ...
  }