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Readable

public interface Readable

java.lang.Readable


A Readable is a source of characters. Characters from a Readable are made available to callers of the read method via a CharBuffer.

Summary

Public methods

abstract int read(CharBuffer cb)

Attempts to read characters into the specified character buffer.

Public methods

read

public abstract int read (CharBuffer cb)

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 CharBuffer: the buffer to read characters into

Returns
int 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