What is the output of the following application? 

A. [Filing]

B. [Filing]3.14159

C. [Filing]null 3.14159

D. The declaration of f1 does not compile.

E. The declaration of f2 does not compile.

F. The output cannot be determined ahead of time.

Transcribed Image Text:

package taxes; import java.util.concurrent.*; public class Accountant { public static void completePaperwork () { System.out.print("[Filing]"); } } public static double getPi () { return 3.14159; } public static void main(String[] args) throws Exception { Executor Service x = Executors.newSingle Thread Executor(); Future f1 = x.submit(() -> complete Paperwork()); Future f2 = x.submit(() -> getPi()); System.out.print (fl.get()+" "+f2.get()); x.shutdown(); }