类层次结构
- java.lang.Object 
       
- javax.security.auth.callback.ChoiceCallback (implements javax.security.auth.callback.Callback, java.io.Serializable)
 - javax.security.auth.callback.ConfirmationCallback (implements javax.security.auth.callback.Callback, java.io.Serializable)
 - javax.security.auth.callback.LanguageCallback (implements javax.security.auth.callback.Callback, java.io.Serializable)
 - javax.security.auth.callback.NameCallback (implements javax.security.auth.callback.Callback, java.io.Serializable)
 - javax.security.auth.callback.PasswordCallback (implements javax.security.auth.callback.Callback, java.io.Serializable)
 - javax.security.auth.callback.TextInputCallback (implements javax.security.auth.callback.Callback, java.io.Serializable)
 - javax.security.auth.callback.TextOutputCallback (implements javax.security.auth.callback.Callback, java.io.Serializable)
 - java.lang.Throwable (implements java.io.Serializable) 
         
- java.lang.异常 
           
- javax.security.auth.callback.UnsupportedCallbackException
 
 
 - java.lang.异常 
           
 
 
Interface Hierarchy
- javax.security.auth.callback.Callback
 - javax.security.auth.callback.CallbackHandler