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:

Level of Significance

The probability of rejecting the null hypothesis in a statistical test when it is actually true, used as a threshold for determining the statistical significance of results.

Political Party Affiliations

The alignment or association of an individual with a specific political party based on shared policies, beliefs, or ideologies.

Income Brackets

Categories of income levels used to classify or tax individuals differently based on their earnings.

Null Hypothesis

A general statement or default position that there is no difference or effect, typically to be tested against an alternative hypothesis.