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, z has the value
A) 4
B) 9
C) 5
D) 12
E) 16

Question

Quizplus · Accepted Answer

B) At that point that the int z = s.pop( ); executes, a previous s.pop( ); will have removed the most recently pushed item (4), so this pop removes the next most recently pushed item (9).

For the Questions Below, Assume a Stack Class Stores Int