Construct a chain of DataOutputStream, BufferedOutputStream and FileOutputStream : Stream « File « SCJP

1. SCJP
2. File
3. Stream

import java.io.BufferedOutputStream;
import java.io.DataOutputStream;
import java.io.FileOutputStream;

public class MainClass {
  public static void main(String[] argv)throws Exception {
    FileOutputStream fos = new FileOutputStream("moredata.bin");
    BufferedOutputStream bos = new BufferedOutputStream(fos, 4096);
    DataOutputStream dos = new DataOutputStream(bos);
    // assume lots of data writing goes on here
    dos.flush(); 
    dos.close();
  }
}