Please help me write the pseudocode, create a flowchart with the appropriate shapes, and a Test Plan$/$Test Case Matrix for the following Java code.

public class Exercise$09\_01\{$

public static void main$($String$[]$ args$)\{$

$//$ Create a rectangle with width $4$ and height $40$

Rectangle myRectangle $=$ new Rectangle$(4,40)$;

$//$ Display information about the first rectangle

System.out.println$("$The area of a rectangle with width $"+$

myRectangle.getWidth$()+"$ and height $"+$

myRectangle.getHeight$()+"$ is $"+$

myRectangle.getArea$())$;

System.out.println$("$The perimeter of a rectangle is $"+$

myRectangle.getPerimeter$())$;

$//$ Create another rectangle with width $3\mathrm{.}5$ and height $35\mathrm{.}9$

Rectangle yourRectangle $=$ new Rectangle$(3\mathrm{.}5,35\mathrm{.}9)$;

$//$ Display information about the second rectangle

System.out.println$("$The area of a rectangle with width $"+$

yourRectangle.getWidth$()+"$ and height $"+$

yourRectangle.getHeight$()+"$ is $"+$

yourRectangle.getArea$())$;

System.out.println$("$The perimeter of a rectangle is $"+$

yourRectangle.getPerimeter$())$;

$\}$

$\}$

class Rectangle $\{$

private double width;

private double height;

$//$ No$-$arg constructor to create a default rectangle

public Rectangle$()\{$

this.width $=1\mathrm{.}0$;

this.height $=1\mathrm{.}0$;

$\}$

$//$ Constructor with specified width and height

public Rectangle$($double width, double height$)\{$

this.width $=$ width;

this.height $=$ height;

$\}$

$//$ Getter method for width

public double getWidth$()\{$

return width;

$\}$

$//$ Getter method for height

public double getHeight$()\{$

return height;

$\}$

$//$ Method to calculate and return the area of the rectangle

public double getArea$()\{$

return width $*$ height;

$\}$

$//$ Method to calculate and return the perimeter of the rectangle

public double getPerimeter$()\{$

return $2*($width $+$ height$)$;

$\}$

$\}$