StackOfStrings s = new StackOfStrings (); while (! StdIn. isEmpty ()) { String item = StdIn. readString (); if (! item. equals ("-")) s. push (item); else if (s. isEmpty ()) StdOut. println ("BAD INPUT"); else StdOut. print (s. pop () + " "); }

Question

Kailee

Engineering

26 December, 15:03

StackOfStrings s = new StackOfStrings (); while (! StdIn. isEmpty ()) { String item = StdIn. readString (); if (! item. equals ("-")) s. push (item); else if (s. isEmpty ()) StdOut. println ("BAD INPUT"); else StdOut. print (s. pop () + " "); }

+1

Answers (1)

Know the Answer?

Craig Raymond · Answer 1

Explanation

Question 1:

! StdIn. isEmpty () is false.

So, it does not run the loop body.

So, It does not print anything.

Answer:

none of these

Question 2:

If we print the list starting at x, the result would be: 2 3

Answer:

none of these