update my table in database doesn't work?

[darine]

Hi all
I'm trying to be more familiar with jdbc,so i created my table and i could insert data to it and retrieve data from it. but i'm trying to update it ,for some reason i can't. here is my code,any help will be appreciated.
Thank you.
===============
import java.sql.*;
import java.net.*;
public class ConnectToDatabaseCreateTable
{

//String s;
//public String getData()
public static void main(String a[])
{

try
{
Class.forName
("sun.jdbc.odbc.JdbcOdbcDriver"
//String url = "jdbcdbc:mydatabase";
String url = "jdbcdbc:databse1";

Connection connection =
DriverManager.getConnection
(url, "", ""

Statement st=connection.createStatement
(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
//Statement st=connection.createStatement
();
/*
st.executeUpdate("CREATE TABLE COFFEES "
+
"(COF_NAME VARCHAR(32), SUP_ID
INTEGER, PRICE FLOAT, " +
"SALES INTEGER, TOTAL INTEGER)"

st.executeUpdate(
"INSERT INTO COFFEES " +
"VALUES ('Colombian', 101,
7.99, 0, 0)"
st.executeUpdate("INSERT INTO
COFFEES " +
"VALUES ('French_Roast', 49,
8.99, 0, 0)"
st.executeUpdate("INSERT INTO COFFEES " +
"VALUES ('French_Roast', 49,
8.99, 0, 0)"

*/
String updateString = "UPDATE COFFEES " +
"SET SALES = 9999 " +
"WHERE COF_NAME
LIKE 'Colombian'";
st.executeUpdate(updateString);

/*
String query = "SELECT COF_NAME, SALES FROM COFFEES " +
"WHERE COF_NAME
LIKE 'Colombian'";
ResultSet rs = st.executeQuery(query);
while (rs.next()) {
String s = rs.getString
("COF_NAME"
int n = rs.getInt
("SALES"
System.out.println(n + "
pounds of " + s +

" sold this week."
}

*/
}
catch(ClassNotFoundException e)
{
e.printStackTrace();

}
catch (SQLException e)
{
e.printStackTrace();
}

//return "ssssssss";
}
}