Appendable
| java.lang.Appendable |
 Known Indirect Subclasses
|
Class Overview
Declares methods to append characters or character sequences. The appended
character or character sequence should be valid according to the rules
described in Unicode Character Representation.
Appendable itself does not guarantee thread safety. This
responsibility is up to the implementing class.
Implementing classes can choose different exception handling mechanism. They
can choose to throw exceptions other than IOException or they do not
throw any exceptions at all and use error codes instead.
Summary
| Public Methods | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| abstract Appendable |
append(char c)
Appends the specified character.
| ||||||||||
| abstract Appendable |
append(CharSequence csq, int start, int end)
Appends a subsequence of
csq. | ||||||||||
| abstract Appendable |
append(CharSequence csq)
Appends the character sequence
csq. | ||||||||||
Public Methods
public abstract Appendable append (char c)
Appends the specified character.
Parameters
| c | the character to append. |
|---|
Returns
- this
Appendable.
Throws
| IOException | if an I/O error occurs. |
|---|
public abstract Appendable append (CharSequence csq, int start, int end)
Appends a subsequence of csq.
If csq is not null then calling this method is equivalent to
calling append(csq.subSequence(start, end)).
If csq is null, the characters "null" are appended.
Parameters
| csq | the character sequence to append. |
|---|---|
| start | the first index of the subsequence of csq that is
appended. |
| end | the last index of the subsequence of csq that is appended. |
Returns
- this
Appendable.
Throws
| IndexOutOfBoundsException | if start < 0, end < 0, start > end or
end is greater than the length of csq. |
|---|---|
| IOException | if an I/O error occurs. |
public abstract Appendable append (CharSequence csq)
Appends the character sequence csq. Implementation classes may not
append the whole sequence, for example if the target is a buffer with limited
size.
If csq is null, the characters "null" are appended.
Parameters
| csq | the character sequence to append. |
|---|
Returns
- this
Appendable.
Throws
| IOException | if an I/O error occurs. |
|---|