Package Summary Overview Summary

### class:Readable [NONE]
All Known Implementing Classes: `BufferedReader`, `CharArrayReader`, `CharBuffer`, `FileReader`, `FilterReader`, `InputStreamReader`, `LineNumberReader`, `PipedReader`, `PushbackReader`, `Reader`, `StringReader` public interface Readable A `Readable` is a source of characters. Characters from a `Readable` are made available to callers of the read method via a `CharBuffer`. Since: 1.5

### method:read(java.nio.CharBuffer) [NONE]
### read int read (CharBuffer cb) throws IOException Attempts to read characters into the specified character buffer. The buffer is used as a repository of characters as-is: the only changes made are the results of a put operation. No flipping or rewinding of the buffer is performed. Parameters: `cb` - the buffer to read characters into Returns: The number of `char` values added to the buffer, or -1 if this source of characters is at its end Throws: `IOException` - if an I/O error occurs `NullPointerException` - if cb is null `ReadOnlyBufferException` - if cb is a read only buffer