java.io
Interface Flushable

All Known Subinterfaces: Implementing Classes:

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

All Known 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

public interface 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.

Since:

1.5

flush

void flush()
           throws IOException

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

Throws:

IOException - If an I/O error occurs