Establish a connection to SQL Server with IP and port _jsp programming

Package JSP;
Import java.sql.*; JDBC Package
public class Sql_data {
String url = "Jdbc:inetdae:192.168.2.70?sql7=true"; Use your hostname and port number
String login = "sa"; Use your Login
String password = ""; Use your password
Public Connection Connection = null;
public Statement st = NULL;
public ResultSet rs = null;
Public Sql_data () {
try {
Class.forName ("Com.inet.tds.TdsDriver"). newinstance ();
Drivermanager.setlogintimeout (10);
catch (Exception e) {
E.printstacktrace ();
}
}



public void SQLClose () {
try {
St.close ();
Connection.close ();
}
catch (SQLException ex) {
System.err.println ("SQLClose:" + ex.getmessage ());
}
}



Public ResultSet executequery (String sql) {
try {
Connection = Drivermanager.getconnection (Url,login,password);
Connection.setcatalog ("register");
st = Connection.createstatement ();
rs = st.executequery (SQL);
}
catch (SQLException ex) {
System.err.println ("Aq.executequery:" + ex.getmessage ());
}
Return RS;
}
}