UML Class Diagram for this java code : (Below the code give some constructive critiques about the UML class diagram). Thanks

UML Class Diagram for this java code

import java.util.Scanner;

public class Exercise_11_01 {

public static void main(String[] args) {

// Create a Scanner object

Scanner input = new Scanner(System.in);

// Prompt the user to enter three sides of the triangle

System.out.print("Enter three side of the triangle: ");

double side1 = input.nextDouble();

double side2 = input.nextDouble();

double side3 = input.nextDouble();

// Prompt the user to enter a color

System.out.print("Enter a color: ");

String color = input.next();

// Prompt the user to enter whether the triangle is filled

System.out.print("Is the triangle filled (true / false)? ");

boolean filled = input.nextBoolean();

// Create triangle object with user input

Triangle triangle = new Triangle(side1, side2, side3);

triangle.setColor(color);

triangle.setFilled(filled);

System.out.println(triangle.toString());

System.out.println("Area: " + triangle.getArea());

System.out.println("Perimeter: " + triangle.getPerimeter());

System.out.println("Color: " + triangle.getColor());

System.out.println("Triangle is" + (triangle.isFilled() ? "" : " not ")

+ "filled");

}

}

// GeometricObject.java: The abstract GeometricObject class

public abstract class GeometricObject {

private String color = "white";

private boolean filled;

/**Default construct*/

protected GeometricObject() {

}

/**Construct a geometric object*/

protected GeometricObject(String color, boolean filled) {

this.color = color;

this.filled = filled;

}

/**Getter method for color*/

public String getColor() {

return color;

}

/**Setter method for color*/

public void setColor(String color) {

this.color = color;

}

/**Getter method for filled. Since filled is boolean,

so, the get method name is isFilled*/

public boolean isFilled() {

return filled;

}

/**Setter method for filled*/

public void setFilled(boolean filled) {

this.filled = filled;

}

/**Abstract method findArea*/

public abstract double getArea();

/**Abstract method getPerimeter*/

public abstract double getPerimeter();

}

// Implement Triangle class

public class Triangle

extends GeometricObject {

private double side1;

private double side2;

private double side3;

/** Construct default Triangle object */

Triangle() {

side1 = side2 = side3 = 1.0;

}

/** Construct a triangle with specified side1, side2 and side3 */

Triangle(double side1, double side2, double side3) {

this.side1 = side1;

this.side2 = side2;

this.side3 = side3;

}

/** Return side1 */

public double getSide1() {

return side1;

}

/** Return side2 */

public double getSide2() {

return side2;

}

/** Return side3 */

public double getSide3() {

return side3;

}

/** Return area of this triangle */

public double getArea() {

double s = (side1 + side2 + side3) / 2;

return Math.sqrt(s * (s - side1) * (s - side2) * (s - side3));

}

/** Return perimeter of this triangle */

public double getPerimeter() {

return side1 + side2 + side3;

}

/** Return a string description for the triangle */

public String toString() {

return "Triangle: side1 = " + side1 + " side2 = " + side2 +

" side3 = " + side3;

}

}