What wrong of my connection?

Question

pls see below java code.... what it shown NullPointerException....what can i do?
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con= DriverManager.getConnection("jdbc:odbc:login");
PreparedStatement pstat=con.prepareStatement("insert into login values(?,?,?,?,?,?)");
for (int i=0; i<7; i++) {
pstat.setString(1,UserID);
pstat.setString(2,password[i]);
pstat.setString(3,confirmPassword[i]);
pstat.setString(4,UserName[i]);
pstat.setString(5,UserType[i]);
pstat.setString(6,UserGroup[i]);
pstat.executeUpdate("insert into login values(?,?,?,?,?,?)");
pstat.close();
con.close();
catch (Exception e1){
System.out.println(e1);

Answer 1

Thanks for your reply.....
the below program can run with no error and no exception.... but after i inputted data into the database, it can't shown out the data that i input before in MsAccess(it shown blank row)
Mag
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con= DriverManager.getConnection("jdbc:odbc:login","","");
PreparedStatement pstat=con.prepareStatement("insert into login values(?,?,?,?,?,?)");
pstat.setString(1,UserID);
pstat.setString(2,password);
pstat.setString(3,confirmPassword);
pstat.setString(4,UserName);
pstat.setString(5,UserType);
pstat.setString(6,UserGroup);
pstat.executeUpdate();
pstat.close();
con.close();
catch (Exception e1){
System.out.println(e1);
}