java - derby db authorization not working -

i created database using code:

    class.forname("org.apache.derby.jdbc.embeddeddriver");     connection conn = drivermanager.getconnection("jdbc:derby:./db;create=true;user=qwe;password=qwe");     conn.close(); 

after see ./db folder.

the database not protected authorization.
can connect db using netbeans or idea without entering user id , password.

how can protect db authorization system?

follow documentation: http://db.apache.org/derby/docs/10.11/security/

in particular, study user authentication (which different authorization): http://db.apache.org/derby/docs/10.11/security/cseccsecure42374.html