Question 8 2 pts Which methods are defined in the interface Iterator? hasNext, next,remave O previous next, reset previous next.remove has Next next.reset Question 9 4 pts What is the output that is produced by the following method? private static void demostack() { Stack(); 5.push(true); 5.push(false); 5.pop(); stdout.println("next: " + s.peek()); 5.push(false); 5.push(true); 5.pop(); stdout.println(s); next: true true false next: true false true next: false true false next: false false true Caveat: The numbers listed might not be in order