For the questions below, assume a Stack class stores int values. Consider the following sequence of instructions.
Stack s = new Stack( );
s.push(16);
s.push(12);
s.push(19);
int x = s.pop( );
s.push(5);
s.push(9);
s.push(4);
int y = s.pop( );
int z = s.pop( );
-After the instructions execute, x has the value
A) 16
B) 12
C) 19
D) 0
E) none of the above, the instruction int x = s.pop( ) results in an Exception being thrown

Question

Quizplus · Accepted Answer

C) The Stack offers a last-in first-out access, so at the point when s.pop( ) is first executed, the item removed is the last item pushed onto s, or 19.

For the Questions Below, Assume a Stack Class Stores Int