Example Code Ch 13-5

question 57

Multiple Choice

Example Code Ch 13-5
Consider the following operations on a queue data structure that stores int values:
Queue q = new Queue() ;
q.enqueue(3) ;
q.enqueue(5) ;
q.enqueue(9) ;
System.out.println(q.dequeue() ) ; // d1
q.enqueue(2) ;
q.enqueue(4) ;
System.out.println(q.dequeue() ) ; // d2
System.out.println(q.dequeue() ) ; // d3
q.enqueue(1) ;
q.enqueue(8) ;
-Refer to Example Code Ch 13-5: What value is returned by the last dequeue operation, denoted with a d3 as a comment.

• A) 3
• B) 5
• C) 9
• D) 2
• E) 4

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Definitions:

Price Ceiling

A maximum legal price that can be charged for a good or service, aimed at preventing prices from becoming too high.

Equilibrium Price

The market price at which the quantity of a good demanded equals the quantity supplied, leading to no excess supply or shortage.

Abolished

Refers to formally putting an end to a system, practice, or institution.

Government Involvement

Refers to the activities and interventions by the government in the market to regulate or support economic operations and social policies.