Readable - JRE Emulation | JRE Emulation
public interface

Readable

java.lang.Readable
Known Indirect Subclasses

Class Overview

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

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 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