Consider the Following Class Definition

question 39

Multiple Choice

Consider the following class definition. public class Rectangle {private double length; private double width; public Rectangle() {length = 0; width = 0;} public Rectangle(double l, double w) {length = l; width = w;} public void set(double l, double w) {length = l; width = w;} public void print() {System.out.println(length + " " + width) ;} public double area() {return length * width;} public double perimeter() {return 2 * length + 2 * width;}} Which of the following statements correctly instantiates the Rectangle object myRectangle? (i) myRectangle = new Rectangle(12.5, 6) ; (ii) Rectangle myRectangle = new Rectangle(12.5, 6) ; (iii) class Rectangle myRectangle = new Rectangle(12.5, 6) ;

• A) Only (i)
• B) Only (ii)
• C) Only (iii)
• D) Both (ii) and (iii)

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Definitions:

Perception

The process of interpreting the messages of our senses to provide order and meaning to the environment.

Threat

A threat is any circumstance or event with the potential to cause harm to a system, individual, organization, or country.

Inertia

The resistance to change or the tendency for objects or systems to remain in their current state without external force acting upon them.

Learning Organization

An organization skilled at creating, acquiring, and transferring knowledge, and at modifying its behavior to reflect new knowledge and insights.