Interface Readable

lib/java/lang/Readable.java:26–40

Represents a sequence of characters that can be incrementally read (copied) into a CharBuffer.

 * into a {@link CharBuffer}.
 */
public interface Readable {

    /**
     * Reads characters into the specified {@code CharBuffer}. The maximum
     * number of characters read is {@code CharBuffer.remaining()}.
     * 
     * @param cb
     *            the buffer to be filled with characters read.
     * @return the number of characters actually read, or -1 if this
     *         {@code Readable} reaches its end
     * @throws IOException
     *             if an I/O error occurs.
     */
    int read(CharBuffer cb) throws IOException;
}