### Ex $4$

Design and implement an abstract factory pattern for a multi$-$player online game. The game should have different character classes $($e$.$g$.$ warrior, mage, archer$)$ and different weapon types $($e$.$g$.$ sword, staff, bow$).$ Each combination of character class and weapon type corresponds to a unique set of abilities and characteristics. The game should allow players to create characters with their desired class and weapon type, and play with other players online.

Here are the steps to complete the exercise:

$1.$ Define the Character class that will serve as the base for all character products. It should have the following properties:

$-$ Name $($string$)$

$-$ Class $($string$)$

$-$ Weapon $($Weapon$)$

$-$ Health $($int$)$

$-$ Mana $($int$)$

$2.$ Define the Weapon class that will serve as the base for all weapon products. It should have the following properties:

$-$ Type $($string$)$

$-$ Damage $($int$)$

$-$ Speed $($int$)$

$-$ Range $($int$)$

$3.$ Define an abstract CharacterFactory class that will serve as the factory for creating character objects. It should have the following abstract methods:

$-$ createCharacter$()$

$-$ createWeapon$()$

$4.$ Create concrete CharacterFactory classes for each combination of character class and weapon type $($e$.$g$.$ WarriorSwordFactory, MageStaffFactory, ArcherBowFactory$)$ that extend the CharacterFactory class and implement its createCharacter and createWeapon methods to create a specific set of character abilities and characteristics. Each factory should create characters and weapons with unique classes, weapon types, abilities, and characteristics for that combination.

$5.$ Define the ConcreteCharacter and ConcreteWeapon classes that will be used to populate the corresponding properties of the Character and Weapon classes.

$6.$ Create a CharacterCreator class that will use the CharacterFactory to construct the character objects. It should have the following methods:

$-$ setFactory$($CharacterFactory$)$

$-$ createCharacter$()$

$7.$ Use the CharacterCreator and the concrete factories to create different character products for each combination of character class and weapon type.

$8.$ Implement a system for allowing players to create characters with their desired class and weapon type, and play with other players online.

$9.$ Expand the game by adding new character classes, weapon types, and their associated abilities and characteristics in the future, by creating new concrete factories that extend the CharacterFactory class and implement its createCharacter and createWeapon methods to create a specific set of character abilities and characteristics.

Note: You can use any programming language you are comfortable with to complete this exercise.