4. Trace through the state of the queue q in the following code fragment in the main method. Queue q = new ArrayDeque();
4. Trace through the state of the queue q in the following code fragment in the main method. Queue q = new ArrayDeque();
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:4. Trace through the state of the queue q in the following code fragment in the main method.
Queue <Integer> q = new ArrayDeque<Integer>();
q.add(-6);
q.add(23);
q.offer (19);
q.poll();
Integer t = q.peek();
q.add(t + 16);
q.remove();
q.add(q.poll());
System.out.println
System.out.println
("q has
("t has " + t);
+
q);
Final result for
q:
t:
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