| Package | Description | 
|---|---|
| javax.imageio | The main package of the Java Image I/O API. | 
| javax.imageio.spi | A package of the Java Image I/O API containing the plug-in interfaces
for readers, writers, transcoders, and streams, and a runtime
registry. | 
| javax.imageio.stream | A package of the Java Image I/O API dealing with low-level I/O from
files and streams. | 
| Modifier and Type | Method and Description | 
|---|---|
| static ImageOutputStream | ImageIO. createImageOutputStream(Object output)Returns an  ImageOutputStreamthat will send its
 output to the givenObject. | 
| Modifier and Type | Method and Description | 
|---|---|
| static boolean | ImageIO. write(RenderedImage im,
     String formatName,
     ImageOutputStream output)Writes an image using the an arbitrary  ImageWriterthat supports the given format to anImageOutputStream. | 
| Modifier and Type | Method and Description | 
|---|---|
| ImageOutputStream | ImageOutputStreamSpi. createOutputStreamInstance(Object output)Returns an instance of the  ImageOutputStreamimplementation associated with this service provider. | 
| abstract ImageOutputStream | ImageOutputStreamSpi. createOutputStreamInstance(Object output,
                          boolean useCache,
                          File cacheDir)Returns an instance of the  ImageOutputStreamimplementation associated with this service provider. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FileCacheImageOutputStreamAn implementation of  ImageOutputStreamthat writes its
 output to a regularOutputStream. | 
| class  | FileImageOutputStreamAn implementation of  ImageOutputStreamthat writes its
 output directly to aFileorRandomAccessFile. | 
| class  | ImageOutputStreamImplAn abstract class implementing the  ImageOutputStreaminterface. | 
| class  | MemoryCacheImageOutputStreamAn implementation of  ImageOutputStreamthat writes its
 output to a regularOutputStream. | 
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