| Class | Description | 
|---|---|
| ATR | A Smart Card's answer-to-reset bytes. | 
| Card | A Smart Card with which a connection has been established. | 
| CardChannel | A logical channel connection to a Smart Card. | 
| CardPermission | A permission for Smart Card operations. | 
| CardTerminal | A Smart Card terminal, sometimes referred to as a Smart Card Reader. | 
| CardTerminals | The set of terminals supported by a TerminalFactory. | 
| CommandAPDU | A command APDU following the structure defined in ISO/IEC 7816-4. | 
| ResponseAPDU | A response APDU as defined in ISO/IEC 7816-4. | 
| TerminalFactory | A factory for CardTerminal objects. | 
| TerminalFactorySpi | The TerminalFactorySpi class defines the service provider interface. | 
| Enum | Description | 
|---|---|
| CardTerminals.State | Enumeration of attributes of a CardTerminal. | 
| Exception | Description | 
|---|---|
| CardException | Exception for errors that occur during communication with the
 Smart Card stack or the card itself. | 
| CardNotPresentException | Exception thrown when an application tries to establish a connection with a
 terminal that has no card present. | 
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