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:

Repaid

The process of repaying funds that were once loaned by a creditor.

Borrowed

The act of receiving funds from another party with the promise to return the principal amount along with interest or other charges.

Payment

The act of transferring money or goods in exchange for a product or service, or to fulfill a legal obligation.

Bank

A financial institution licensed to receive deposits and make loans.