QUESTION 35

1. Which of the following is a correct definition for a Rectangle class in Java?

   		public Rectangle class { double length; double width; public double getArea() { return length * width; } public double getPerimeter() { return 2 * (length+width); } }
   		public Rectangle class { double length; double width; public getArea():double { return length * width; } public getPerimeter():double { return 2 * (length+width); } }
   		public class Rectangle { double length; double width; public double getArea() { return length * width; } public double getPerimeter() { return 2 * (length+width); } }
   		public class Rectangle { double length; double width; public getArea():double { return length * width; } public getPerimeter(): double { return 2 * (length+width); } }

2 points

QUESTION 36

1. The following Javascript code is most likely in which tier of the Model-View-Controller design pattern? function Circle(r){ this.radius = r; this.getArea = getA; this.getPerimeter = getP; this.getData = getD; } function getA(){ return this.radius * this.radius * Math.PI; } function getP(){ return 2 * this.radius * Math.PI; } function getD(){ return 'Area: ' + this.getArea() + ' Perimeter: ' + this.getPerimeter(); }

   		Model
   		View
   		Controller
   		Unable to determine

2 points

QUESTION 37

1. Data in a C program is global -- accessible and editable from any point in the program.

   True

   False

2 points

QUESTION 38

1. In the following code, how many Rectangle objects are instantiated? Rectangle rect1 = new Rectangle(); rect1.length = 4.0; rect1.width = 2.0; rect1 = new Rectangle(2.0, 1.0);

   		0
   		1
   		2
   		3

2 points

QUESTION 39

1. Which is the most efficient way to concatenate the two strings, quick brown fox and jumped over the lazy dog in Java?

   		String string1 = quick brown fox; string1 = string1 + jumped over the lazy dog;
   		String string1 = quick brown fox; String string2 = string1 + jumped over the lazy dog;
   		String string1 = quick brown fox; String string2 = jumped over the lazy dog; String string3 = string1 + string2;
   		StringBuffer buffer = new StringBuffer(quick brown fox); buffer.append( jumped over the lazy dog); String string1 = buffer.toString();

2 points

QUESTION 40

1. What are the more commonly used names for accessor methods?

   		Getters and setters
   		Makers and takers
   		Pushers and pullers
   		Givers and takers