public interface ControlCharacters
Modifier and Type | Field and Description |
---|---|
static char |
ACKNOWLEDGEMENT
Response to an Enquiry, or an indication of successful receipt of a message.
|
static char |
BACK_SPACE
Move the cursor one position leftwards.
|
static char |
BELL
Originally used to sound a bell on the terminal.
|
static char |
CANCEL
Indicates that the data preceding it are in error or are to be disregarded.
|
static char |
CARRIAGE_RETURN
Originally used to move the cursor to column zero while staying on the same line.
|
static char |
DATA_LINK_ESCAPE
Cause the following octets to be interpreted as raw data, not as control codes or graphic characters.
|
static char |
DELETE
Not technically part of the C0 control character range, this was originally used to mark deleted characters on
paper tape, since any character could be changed to all ones by punching holes everywhere.
|
static char |
DEVICE_CONTROL1
These four control codes are reserved for device control, with the interpretation dependent upon the device they
were connected.
|
static char |
DEVICE_CONTROL2 |
static char |
DEVICE_CONTROL3 |
static char |
DEVICE_CONTROL4 |
static char |
END_OF_MEDIUM
Intended as means of indicating on paper or magnetic tapes that the end of the usable portion of the tape had
been reached.
|
static char |
END_OF_TEXT
Often used as a "break" character (Ctrl-C) to interrupt or terminate a program or process.
|
static char |
END_OF_TRANSMISSION
Used on Unix to signal end-of-file condition on, or to log out from a terminal.
|
static char |
END_OF_TRANSMISSION_BLOCK
Indicates the end of a transmission block of data when data are divided into such blocks for transmission
purposes.
|
static char |
ENQUIRY
Signal intended to trigger a response at the receiving end, to see if it is still present.
|
static char |
ESCAPE
The Esc key on the keyboard will cause this character to be sent on most systems.
|
static char |
FILE_SEPARATOR
Can be used as delimiters to mark fields of data structures.
|
static char |
FORM_FEED
On printers, load the next page.
|
static char |
GROUP_SEPARATOR
Same as
FILE_SEPARATOR . |
static char |
HORIZONTAL_TAB
Position to the next character tab stop.
|
static char |
LINE_FEED
On typewriters, printers, and some terminal emulators, moves the cursor down one row without affecting its column
position.
|
static char |
NEGATIVE_ACKNOWLEDGEMENT
Sent by a station as a negative response to the station with which the connection has been set up.
|
static char |
NULL
Originally used to allow gaps to be left on paper tape for edits.
|
static char |
RECORD_SEPARATOR
Same as
FILE_SEPARATOR . |
static char |
SHIFT_IN
Return to regular character set after Shift Out.
|
static char |
SHIFT_OUT
Switch to an alternative character set.
|
static char |
SPACE
Space is a graphic character.
|
static char |
START_OF_HEADING
First character of message header.
|
static char |
START_OF_TEXT
First character of message text, and may be used to terminate the message heading.
|
static char |
SUBSTITUTE
Originally intended for use as a transmission control character to indicate that garbled or invalid characters
had been received.
|
static char |
SYNCHRONOUS_IDLE
Used in synchronous transmission systems to provide a signal from which synchronous correction may be achieved
between data terminal equipment, particularly when no other character is being transmitted.
|
static char |
UNIT_SEPARATOR
Same as
FILE_SEPARATOR . |
static char |
VERTICAL_TAB
Position the form at the next line tab stop.
|
static final char NULL
static final char START_OF_HEADING
static final char START_OF_TEXT
static final char END_OF_TEXT
static final char END_OF_TRANSMISSION
static final char ENQUIRY
static final char ACKNOWLEDGEMENT
static final char BELL
static final char BACK_SPACE
static final char HORIZONTAL_TAB
static final char LINE_FEED
static final char VERTICAL_TAB
static final char FORM_FEED
static final char CARRIAGE_RETURN
static final char SHIFT_OUT
static final char SHIFT_IN
static final char DATA_LINK_ESCAPE
static final char DEVICE_CONTROL1
static final char DEVICE_CONTROL2
DEVICE_CONTROL1
,
Constant Field Valuesstatic final char DEVICE_CONTROL3
DEVICE_CONTROL1
,
Constant Field Valuesstatic final char DEVICE_CONTROL4
DEVICE_CONTROL1
,
Constant Field Valuesstatic final char NEGATIVE_ACKNOWLEDGEMENT
static final char SYNCHRONOUS_IDLE
static final char END_OF_TRANSMISSION_BLOCK
static final char CANCEL
static final char END_OF_MEDIUM
static final char SUBSTITUTE
static final char ESCAPE
static final char FILE_SEPARATOR
static final char GROUP_SEPARATOR
FILE_SEPARATOR
.static final char RECORD_SEPARATOR
FILE_SEPARATOR
.static final char UNIT_SEPARATOR
FILE_SEPARATOR
.static final char SPACE
static final char DELETE