package org.evilbinary.db;
import java.sql.*;
import java.util.Vector;
public class DBUtil {
private String userName;
private String password;
private String connectUrl;
private String driverName;
private Statement statement;
private PreparedStatement preparedStatement;
private Connection connection;
private ResultSet resultSet;
private CallableStatement callStatement;
public DBUtil(){
driverName="com.mysql.jdbc.Driver";
connectUrl="jdbc:mysql://localhost:3306/oj";
userName="root";
password="123";
connect();
}
public DBUtil(String connectUrl,String userName,String password){