Use the following pseudocode for the next four questions. Queue<Integer> q = new

Question

Use the following pseudocode for the next four questions.

Queue<Integer> q = new Queue<Integer>( );

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);

What value is printed in the line of code marked d1?

What value is printed in the line of code marked d2?

What value is printed in the line of code marked d3?

After the code executes, how many elements would remain in q?

Explanation / Answer

1. 3

2. 5

3. 9

4. Queue elements ( 2,4,1,8) 4 elements

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