| Package | Description | 
|---|---|
| javax.servlet | The javax.servlet package contains a number of classes and interfaces that
describe and define the contracts between a servlet class and the
runtime environment provided for an instance of such a class by a
conforming servlet container. | 
| Modifier and Type | Method and Description | 
|---|---|
| abstract void | ServletOutputStream. setWriteListener(WriteListener writeListener)Instructs the  ServletOutputStreamto invoke the providedWriteListenerwhen it is possible to write | 
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