FileWriter(FileDescriptor fd) constructor from FileWriter has the following syntax.
public FileWriter(FileDescriptor fd)
In the following code shows how to use FileWriter.FileWriter(FileDescriptor fd) constructor.
/*from w w w .j a v a 2s . c o m*/ import java.io.FileOutputStream; import java.io.FileWriter; public class Main { public static void main(String[] args) throws Exception { FileWriter fileWriter = new FileWriter(new FileOutputStream("c:/abc.txt").getFD()); fileWriter.append("java2s.com"); fileWriter.close(); } }