Question

Implement a Factory Design Pattern for the code below:

MAIN:

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

public class Main {
public static void main(String[] args) {
Character char1 = new Orc("Grumlin");
Character char2 = new Elf("Therae");

int damageDealt = char1.attackEnemy();
System.out.println(char1.name + " has attacked an enemy " +
"and dealt " + damageDealt + " damage");

char1.hasCastSpellSkill = true;

damageDealt = char1.attackEnemy();
System.out.println(char1.name + " has attacked an enemy " +
"and dealt " + damageDealt + " damage");

int damageTaken = char2.takeHit();
System.out.println(char2.name + " has taken a hit and " +
"been dealt " + damageTaken + " damage");

char2.hasDodgeAttackSkill = true;

damageTaken = char2.takeHit();
System.out.println(char2.name + " has taken a hit and " +
"been dealt " + damageTaken + " damage");
}
}

CHARACTER:

import java.util.Random;

public abstract class Character {
protected String name;
protected int strength;
protected int resilience;
protected boolean hasCastSpellSkill;
protected boolean hasDodgeAttackSkill;

public int attackEnemy() {
Random random = new Random();

int damageDealt;
if (hasCastSpellSkill) {
int spellDamage = random.nextInt(5);
damageDealt = this.strength + spellDamage;
} else {
damageDealt = strength;
}
return damageDealt;
}

public int takeHit() {
Random random = new Random();

int damageDealt = random.nextInt(15);
int damageTaken;
if (hasDodgeAttackSkill) {
double chanceToDodge = random.nextDouble();

if (chanceToDodge > 0.50) {
damageTaken = 0;
} else {
damageTaken = damageDealt - resilience;
}
} else {
damageTaken = damageDealt - resilience;
}

if (damageTaken < 0) {
damageTaken = 0;
}
return damageTaken;
}
}

ELF:

public class Elf extends Character {
public Elf(String name) {
this.name = name;
this.strength = 4;
this.resilience = 2;
}
}

ORC:

public class Orc extends Character {
public Orc(String name) {
this.name = name;
this.strength = 10;
this.resilience = 9;
}
}

Answer 1

import java.util.ArrayList;
import java.util.List;
import java.util.Random;


class CharacterFactory {
    
    public static Character createOrc() {
        return new Orc("Grumlin");
    }
    public static Character createElf() {
        return new Elf("Therae");
    }
}

public class Main {
    public static void main(String[] args) {
        Character char1 = CharacterFactory.createOrc();
        Character char2 = CharacterFactory.createElf();

        int damageDealt = char1.attackEnemy();
        System.out.println(char1.name + " has attacked an enemy " +
        "and dealt " + damageDealt + " damage");

        char1.hasCastSpellSkill = true;

        damageDealt = char1.attackEnemy();
        System.out.println(char1.name + " has attacked an enemy " +
        "and dealt " + damageDealt + " damage");

        int damageTaken = char2.takeHit();
        System.out.println(char2.name + " has taken a hit and " +
        "been dealt " + damageTaken + " damage");

        char2.hasDodgeAttackSkill = true;

        damageTaken = char2.takeHit();
        System.out.println(char2.name + " has taken a hit and " +
        "been dealt " + damageTaken + " damage");
    }
}

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