Java - SQL Server 2000 Connectivity

hi all. i m looking for help in Java - SQL Server 2000 Connectivity.i worked on Java- Oracle & Java - MS Access format.now i m looking to work on Java - SQL Server 2000. I m using JBuilder 2005. can any1 help me how to make any change(configuration) in my SQL Server.thanx in advance.

http://www.jguru.com/forums/JBuilder is hopeless. ihvn;t get good replies from them.i downloaded the JDBC driver from microsoft and added the JAR files (3 files) and tried the following code:
import java.sql.*;
* Microsoft SQL Server JDBC test program
public class Test {
public Test() throws Exception {
// Get connection
DriverManager.registerDriver(new com.microsoft.jdbc.sqlserver.SQLServerDriver());
//Connection connection = DriverManager.getConnection("jdbc:microsoft:sqlserver://<Host>:1433",<"UID>","<PWD>");
// Connection connection = DriverManager.getConnection("jdbc:microsoft:sqlserver://GMC01:1433;DatabaseName=MoonDB");
Connection connection = DriverManager.getConnection("jdbc:microsoft:sqlserver://Moon:1433;DatabaseName=MoonDB");
if (connection != null) {
System.out.println();
System.out.println("Successfully connected");
System.out.println();
// Meta data
DatabaseMetaData meta = connection.getMetaData();
System.out.println("\nDriver Information");
System.out.println("Driver Name: "
+ meta.getDriverName());
System.out.println("Driver Version: "
+ meta.getDriverVersion());
System.out.println("\nDatabase Information ");
System.out.println("Database Name: "
+ meta.getDatabaseProductName());
System.out.println("Database Version: "+
meta.getDatabaseProductVersion());
} // Test
public static void main (String args[]) throws Exception {
Test test = new Test();
it run without any error and then showed fatal exception as below:
java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.
     at com.microsoft.jdbc.base.BaseExceptions.createException(Unknown Source)
     at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
     at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
     at com.microsoft.jdbc.sqlserver.tds.TDSConnection.<init>(Unknown Source)
     at com.microsoft.jdbc.sqlserver.SQLServerImplConnection.open(Unknown Source)
     at com.microsoft.jdbc.base.BaseConnection.getNewImplConnection(Unknown Source)
     at com.microsoft.jdbc.base.BaseConnection.open(Unknown Source)
     at com.microsoft.jdbc.base.BaseDriver.connect(Unknown Source)
     at java.sql.DriverManager.getConnection(DriverManager.java:512)
     at java.sql.DriverManager.getConnection(DriverManager.java:193)
     at Test.<init>(Test.java:11)
     at Test.main(Test.java:31)
Exception in thread "main"
where's the problem?can any1 try to solve this plz.

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