JDBC code connect DataBase

import java.sql.*;
class DBCon 
{
    public static void main(String[] args)throws Exception   
    {
        Class.forName("oracle.jdbc.driver.OracleDriver");
        Driver drv=new oracle.jdbc.driver.OracleDriver();
        DriverManager.registerDriver(drv);
        Connection con=DriverManager.
        getConnection("jdbc:oracle:thin:@localhost:1521:xe","scott",
         "tiger");

        System.out.println("Connected to DB...");
    }
}