| protected PasswordAuthentication | Authenticator. getPasswordAuthentication() | Called when password authorization is needed. | 
| static PasswordAuthentication | Authenticator. requestPasswordAuthentication(String host,
                             InetAddress addr,
                             int port,
                             String protocol,
                             String prompt,
                             String scheme) | Ask the authenticator that has been registered with the system
 for a password. | 
| static PasswordAuthentication | Authenticator. requestPasswordAuthentication(String host,
                             InetAddress addr,
                             int port,
                             String protocol,
                             String prompt,
                             String scheme,
                             URL url,
                             Authenticator.RequestorType reqType) | Ask the authenticator that has been registered with the system
 for a password. | 
| static PasswordAuthentication | Authenticator. requestPasswordAuthentication(Authenticator authenticator,
                             String host,
                             InetAddress addr,
                             int port,
                             String protocol,
                             String prompt,
                             String scheme,
                             URL url,
                             Authenticator.RequestorType reqType) | Ask the given authenticatorfor a password. | 
| static PasswordAuthentication | Authenticator. requestPasswordAuthentication(InetAddress addr,
                             int port,
                             String protocol,
                             String prompt,
                             String scheme) | Ask the authenticator that has been registered with the system
 for a password. | 
| PasswordAuthentication | Authenticator. requestPasswordAuthenticationInstance(String host,
                                     InetAddress addr,
                                     int port,
                                     String protocol,
                                     String prompt,
                                     String scheme,
                                     URL url,
                                     Authenticator.RequestorType reqType) | Ask this authenticator for a password. |