For this exercise, you need to implement two (2) classes, the Rectangle class and the RectangleTest class, asfollows:• Rectangle class:o Instance variables:▪ A variable named width that stores the width of the rectangle as a double.▪ A variable named length that stores the length of the rectangle as a double.o Default constructor:▪ Initializes all data fields to default values.o Overloaded constructor▪ Parameters: a width and a length.▪ Initializes all data fields to the given values passed by the parameters.o Method getWidth▪ Returns the width of the calling object.o Method getLength▪ Returns the length of the calling object.o Method setWidth▪ Parameter: A width▪ Re-sets the value of the object's width to the value passed by the parameter.o Method setLength▪ Parameter: A length▪ Re-sets the value of the object's length to the value passed by the parameter.o Method calculateArea▪ Returns the area of the object (does NOT print; it only performs a calculation andreturns the result).o Method calculatePerimeter▪ Returns the perimeter of the object (does NOT print; it only performs a calculation).o Method printDimensions▪ Prints out all the data related to the object (see output below for format).Note that the get methods, the calculate methods, and printDimensions will have no parameters.• RectangleTest class:o Perform the following actions in the main method:▪ Create an object named r1 of the Rectangle class using the default constructor.▪ Using the set methods, initialize r1 to have width 3.0 and length 5.2.▪ Use the printDimensions method to output all the data (width & length) related to r1.▪ Create another object named r2 of the Rectangle class with width 2.6 and length 5.4using the overloaded constructor.▪ Print out r2 (width & length) using the get methods.▪ Print out the area and the perimeter of r1 using the calculateArea andcalculatePerimeter methods.▪ Print out the area and the perimeter of r2 using the calculateArea andcalculatePerimeter methods.
For this exercise, you need to implement two (2) classes, the Rectangle class and the RectangleTest class, as
follows:
• Rectangle class:
o Instance variables:
▪ A variable named width that stores the width of the rectangle as a double.
▪ A variable named length that stores the length of the rectangle as a double.
o Default constructor:
▪ Initializes all data fields to default values.
o Overloaded constructor
▪ Parameters: a width and a length.
▪ Initializes all data fields to the given values passed by the parameters.
o Method getWidth
▪ Returns the width of the calling object.
o Method getLength
▪ Returns the length of the calling object.
o Method setWidth
▪ Parameter: A width
▪ Re-sets the value of the object's width to the value passed by the parameter.
o Method setLength
▪ Parameter: A length
▪ Re-sets the value of the object's length to the value passed by the parameter.
o Method calculateArea
▪ Returns the area of the object (does NOT print; it only performs a calculation and
returns the result).
o Method calculatePerimeter
▪ Returns the perimeter of the object (does NOT print; it only performs a calculation).
o Method printDimensions
▪ Prints out all the data related to the object (see output below for format).
Note that the get methods, the calculate methods, and printDimensions will have no parameters.
• RectangleTest class:
o Perform the following actions in the main method:
▪ Create an object named r1 of the Rectangle class using the default constructor.
▪ Using the set methods, initialize r1 to have width 3.0 and length 5.2.
▪ Use the printDimensions method to output all the data (width & length) related to r1.
▪ Create another object named r2 of the Rectangle class with width 2.6 and length 5.4
using the overloaded constructor.
▪ Print out r2 (width & length) using the get methods.
▪ Print out the area and the perimeter of r1 using the calculateArea and
calculatePerimeter methods.
▪ Print out the area and the perimeter of r2 using the calculateArea and
calculatePerimeter methods.
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