For the Questions Below, Assume a Stack Class Stores Int

question 11

Multiple Choice

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

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Definitions:

Repeat-purchase Item

A good or service that consumers buy frequently or repeatedly over time, indicating loyalty or sustained need.

Frequent Transaction

Regular or repeated exchanges or dealings, especially in a financial context.

Imperfect Information Problem

The imperfect information problem occurs when one or more parties in a transaction have less information than the other(s), leading to decisions that may not be optimal.

High-quality Products

Goods that meet or exceed customer expectations in terms of durability, reliability, performance, and aesthetics.