A Queue Based on a Linked List Uses the Following

question 11

Multiple Choice

A queue based on a linked list uses the following code
Class Node{
String element;
Node next;
Node (String el,Node n) {
Element = el;
Next = n;
}
}
Node front = null,rear = null;
What is the right code for the boolean empty() method?

• A) return front == null;
• B) if (rear == front.return true;
• Else
• Return false;
• C) if (front == null.
• Throw new RuntimeException("Empty".;
• Else
• Return false;
• Return true;
• D) return front == rear;

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Definitions:

Long Run

That period of time for which there are no fixed factors of production: Firms can increase or decrease the scale of operation, and new firms can enter and/or existing firms can exit the industry.

Profit-Maximizing

The process or strategy of adjusting production and sale operations to achieve the highest possible profit.

MR

Marginal Revenue, the additional income generated from selling one more unit of a good or service.

Units

Basic quantities or measurements, such as meters, seconds, or kilograms, used to express variables.