PushbackReader.unread
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public void unread( int c ) throws IOException
Parameters
- c
- The character to push back
Description
Push back a single character.
Exceptions
IOException
If the pushback buffer is full,
or if some other I/O error occurs
public void unread( char cbuf[],
int off,
int len ) throws IOException
Parameters
- cbuf
- Character array
- off
- Offset of first character to push back
- len
- Number of characters to push back
Description
Push back a portion of an array of characters by copying it to the
front of the pushback buffer. After this method returns, the next
character to be read will have the value cbuf[off], the
character after that will have the value cbuf[off+1], and
so forth.
Exceptions
IOException
If there is insufficient room in the pushback
buffer, or if some other I/O error occurs
public void unread( char cbuf[] ) throws IOException
Parameters
- cbuf
- Character array to push back
Description
Push back an array of characters by copying it to the front of the
pushback buffer. After this method returns, the next character to be
read will have the value cbuf[0], the character after that
will have the value cbuf[1], and so forth.
Exceptions
IOException
If there is insufficient room in the pushback
buffer, or if some other I/O error occurs