Input chain between FileOutputStream and DataOutputStream : Stream « File « SCJP

1. SCJP
2. File
3. Stream

import java.io.DataOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class MainClass {
  public static void main(String[] argv) {
    try {
      // Create the chain
      FileOutputStream fos = new FileOutputStream("txt");
      DataOutputStream dos = new DataOutputStream(fos);

      // Write
      dos.writeDouble(123.456);
      dos.writeInt(55);
      dos.writeUTF("The moving finger writes");

      // Close the chain
      dos.close();
      fos.close();
    } catch (IOException e) {
    }

  }
}