public final class FileDescriptor extends Object
| Modifier and Type | Field and Description | 
|---|---|
| static FileDescriptor | errerr | 
| static FileDescriptor | inin | 
| static FileDescriptor | outout | 
| Constructor and Description | 
|---|
| FileDescriptor()FileDescriptor | 
public static final FileDescriptor in
public static final FileDescriptor out
public static final FileDescriptor err
public void sync()
          throws SyncFailedException
SyncFailedException - ?public boolean valid()