import java.io$.$File;

import java.io$.$PrintWriter;

import java.io$.$FileNotFoundException;

import java.util.Scanner;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

$//$import java.util.ArrayList;

import java.io$.$IOException;

import java.util.Random;

public class Exp$\_$Ari$\_$Avg$\{$

public static double expAvg$($double preExpAvg, int newSample$)\{$

$//$ To be completed...

return $0$;

$\}$

public static double ariAvg$($double preAriAvg, int newSample, int n$)\{$

$//$ To be completed...

return $0$;

$\}$

public static void sampleRTT$2$EstimatedRTT$($Scanner in$,$ PrintWriter out$)$throws IOException$\{$

$//$ To be completed...

$\}$

public static void main $($String$[]$ args$)\{$

try$\{$

Scanner fileScanner $=$ new Scanner$($new File$("$data$.$txt$"))$;

PrintWriter filePrinter $=$ new PrintWriter$($new File$("$output$.$txt$"))$;

filePrinter.print$("$SampleRTTs$\backslash$tExpAvgs$\backslash$tAriAvgs$")$;

filePrinter.println$()$;

sampleRTT$2$EstimatedRTT$($fileScanner$,$ filePrinter$)$;

fileScanner.close$()$;

filePrinter.close$()$;

$\}$catch$($IOException e$)\{$

System.out.println$("$Error opening file."$)$;

System.exit$(0)$;

$\}$

$\}$

$\}$