Flushable interface in Java

java.io.Flushable

A Flushable is a destination of data that can be flushed. The flush method is invoked to write any buffered output to the underlying stream.

Sub Interfaces:

JavaFileManager, StandardJavaFileManager

Implementing Classes:

BufferedOutputStream, BufferedWriter, ByteArrayOutputStream, CharArrayWriter, CheckedOutputStream, CipherOutputStream, Console, DataOutputStream, DeflaterOutputStream, DigestOutputStream, FileOutputStream, FileWriter, FilterOutputStream, FilterWriter, Formatter, ForwardingJavaFileManager, GZIPOutputStream, InflaterOutputStream, JarOutputStream, LogStream, ObjectOutputStream, OutputStream, OutputStream, OutputStream, OutputStreamWriter, PipedOutputStream, PipedWriter, PrintStream, PrintWriter, StringWriter, Writer, ZipOutputStream

Declaration

public interface Flushable {
        void flush() throws IOException;
    }

Methods of Flushable

1. flush()

void java.io.Flushable.flush() throws IOException

Flushes this stream by writing any buffered output to the underlying stream.

Throws:

IOException - If an I/O error occurs

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