Question

Design a java class to represent regular Hexagons

Design a class named Hexagon to represent a regular Hexagon. The class contains:

- One double data field/attribute named side

- A no-arg constructor that sets the default value of side to 1.

- A constructor with a single parameter that sets the Hexagon's side to user specified value.

- A method named getArea() that returns the area of this Hexagon (compute using: 3/2 * square-root-of(3) * side * side ).

- A mutator method to change the side of an Hexagon.

- An accessor method for side attribute

- A toString method that returns a String containing side and area of the Hexagon. Use labels for each value.

-An equals method that takes an Hexagon as a parameter and returns boolean true if both octagons have the same area, otherwise returns false.

Design a class TestHexagon with the main method to do the following.

- Create an instance of Hexagon using default constructor, call it hex1

- Create an instance of Hexagon with value 4.5 as the side of this octagon, call it hex2

- Output the area of both hex1 and hex2

- Set the side of hex1 with side of hex2

- Output both hex1 and hex2 using toString method

- Output a statement if hex1 and hex2 are equal or not (use equals method)

- Set hex2 side with value 6.3

- Output a statement if hex1 and hex2 are equal or not (use equals method)

Answer 1

To represent a regular hexagon in Java, create a class named Hexagon with attributes and methods for side length, area calculation, and comparison. A TestHexagon class will be used to demonstrate the functionality of Hexagon instances with different scenarios.

Designing a Hexagon Class in Java

To represent a regular hexagon in Java, you can create a class named Hexagon with various attributes and methods. Below is an outline of the class design:

a.A double data field/attribute named side to hold the length of the hexagon's sides.

b.A no-arg constructor that initializes the side to a default value of 1.

c.A constructor that accepts a single parameter to specify the side of the hexagon.

d.A method named getArea() that computes and returns the area of the hexagon using the formula 3/2 * √3 * side * side.

e.A mutator method to change the side of the hexagon.

f.An accessor method to get the current value of the side attribute.

g.A toString method that returns a string containing the side and the area of the hexagon.

h.An equals method that compares two hexagons' areas to determine if they are equal.

i.TestHexagon Class with Main Method

j.The TestHexagon class will have a main method to create hexagon instances, and perform the following actions:

1.Create an instance of Hexagon using the default constructor, hex1.

2.Create another instance, hex2, with a specified side value of 4.5.

3.Output the areas of hex1 and hex2.

4.Set the side of hex1 to match that of hex2 and output the information using toString() method.

5.Compare hex1 and hex2 using the equals method and output the results.

6.Modify hex2's side to 6.3 and compare again with hex1.