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‎section-06-java-oop/battle-arena-sections/enemyversion1/Enemy.java‎

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package oop.enemyversion1;
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public class Enemy {
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/*
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Goal: Show public interface for class.
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- Talk about Abstraction
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- Display Zombie walking, speaking and attacking.
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*/
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String typeOfEnemy;
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int healthPoints = 10;
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int attackDamage = 1;
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public void talk() {
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System.out.println("I am a " + typeOfEnemy + " Be prepared to fight!");
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}
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public void walkForward() {
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System.out.println(typeOfEnemy + " moves closer to you");
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}
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public void attack() {
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System.out.println(typeOfEnemy + " attacks for " + attackDamage + " damage");
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}
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}

‎section-06-java-oop/battle-arena-sections/enemyversion1/Implementation.java‎

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package oop.enemyversion1;
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public class Implementation {
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public static void main(String[] args) {
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Enemy zombie = new Enemy();
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zombie.typeOfEnemy = "Zombie";
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System.out.println(zombie.typeOfEnemy + " has " + zombie.healthPoints +
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" health points and can do attack of " + zombie.attackDamage);
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zombie.talk();
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zombie.walkForward();
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zombie.attack();
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}
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}

‎section-06-java-oop/battle-arena-sections/enemyversion2/Enemy.java‎

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package oop.enemyversion2;
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public class Enemy {
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/*
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Goal: Show Encapsulation
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- Display Zombie walking, speaking and attacking.
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- Display Zombie getting their health and attacking
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- Create a new Enemy Ogre who needs more attack than the Zombie
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- Use setter to set Ogre health and attack
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- What happens if you forget to add one of them? We can prevent this by creating a constructor
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- Create second Ogre object referencing
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- Create constructor
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*/
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// Look into typeOfEnemy
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private String typeOfEnemy;
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private int healthPoints;
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private int attackDamage;
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public Enemy(String typeOfEnemy, int healthPoints, int attackDamage) {
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this.typeOfEnemy = typeOfEnemy;
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this.healthPoints = healthPoints;
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this.attackDamage = attackDamage;
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}
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public void talk() {
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System.out.println("I am a " + typeOfEnemy + " Be prepared to fight!");
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}
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public void walkForward() {
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System.out.println(typeOfEnemy + " moves closer to you");
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}
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public void attack() {
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System.out.println(typeOfEnemy + " attacks for " + attackDamage + " damage");
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}
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public int getHealthPoints() {
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return healthPoints;
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}
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public void setHealthPoints(int healthPoints) {
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this.healthPoints = healthPoints;
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}
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public int getAttackDamage() {
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return attackDamage;
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}
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public void setAttackDamage(int attackDamage) {
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this.attackDamage = attackDamage;
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}
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}

‎section-06-java-oop/battle-arena-sections/enemyversion2/Implementation.java‎

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package oop.enemyversion2;
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public class Implementation {
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public static void main(String[] args){
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// Enemy zombie = new Enemy();
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// zombie.setHealthPoints(10);
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// zombie.setAttackDamage(1);
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// System.out.println("Zombie has " + zombie.getHealthPoints() +
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// " health points and can do attack of " + zombie.getAttackDamage());
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//
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// zombie.talk();
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// zombie.walkForward();
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// zombie.attack();
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//
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// System.out.println("----");
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/**-----------------------*/
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// Enemy ogre = new Enemy();
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// ogre.setHealthPoints(20);
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// ogre.setAttackDamage(3);
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//
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// System.out.println("Ogre has " + ogre.getHealthPoints() +
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// " health points and can do attack of " + ogre.getAttackDamage());
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//
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// ogre.talk();
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// ogre.walkForward();
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// ogre.attack();
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/**-----------------------*/
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// Enemy ogre = new Enemy(20, 3);
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//
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// System.out.println("Ogre has " + ogre.getHealthPoints() +
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// " health points and can do attack of " + ogre.getAttackDamage());
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//
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// ogre.talk();
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// ogre.walkForward();
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// ogre.attack();
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/**-----------------------*/
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Enemy ogre1 = new Enemy("Ogre", 20, 3);
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Enemy ogre2 = ogre1;
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ogre1.setHealthPoints(15);
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System.out.println(ogre1.getHealthPoints());
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System.out.println(ogre2.getHealthPoints());
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}
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}

‎section-06-java-oop/battle-arena-sections/enemyversion3/Enemy.java‎

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package oop.enemyversion3;
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public class Enemy {
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/*
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Goal: Show Inheritance
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- Implement Zombie object
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- Explain Superclass / super()
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- Override talk function
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- Create SpreadDisease that Parent does not have
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- Create Ogre class
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- Implement Smash
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- Explain Static
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- Static get all enemies
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- Static get id for each enemy
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-@Override
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*/
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private int id;
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private int healthPoints;
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private int attackDamage;
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private static int numberOfEnemies;
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public Enemy(int healthPoints, int attackDamage) {
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this.healthPoints = healthPoints;
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this.attackDamage = attackDamage;
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numberOfEnemies++;
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this.id = numberOfEnemies;
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}
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public void talk() {
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System.out.println("Be prepared to fight!");
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}
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public void walkForward() {
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System.out.println("Monster moves closer to you");
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}
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public void attack() {
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System.out.println("Monster attacks for " + attackDamage + " damage");
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}
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public int getHealthPoints() {
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return healthPoints;
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}
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public void setHealthPoints(int healthPoints) {
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this.healthPoints = healthPoints;
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}
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public int getAttackDamage() {
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return attackDamage;
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}
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public void setAttackDamage(int attackDamage) {
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this.attackDamage = attackDamage;
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}
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public int getId() {return id;}
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}

‎section-06-java-oop/battle-arena-sections/enemyversion3/Implementation.java‎

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package oop.enemyversion3;
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public class Implementation {
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public static void main(String[] args){
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Zombie zombie = new Zombie(5, 1);
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zombie.talk();
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zombie.walkForward();
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System.out.println(zombie.getHealthPoints());
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zombie.spreadDisease();
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/** ------------- Does not work with Enemy object */
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// Enemy zombie2 = new Enemy(5, 10);
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// zombie2.spreadDisease();
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Ogre ogre = new Ogre(20, 5);
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ogre.talk();
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ogre.walkForward();
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System.out.println(ogre.getHealthPoints());
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System.out.println(zombie.getId());
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System.out.println(ogre.getId());
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}
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}

‎section-06-java-oop/battle-arena-sections/enemyversion3/Ogre.java‎

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package oop.enemyversion3;
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public class Ogre extends Enemy {
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public Ogre(int healthPoints, int attackDamage) {
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super(healthPoints, attackDamage);
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}
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@Override
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public void talk() {
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System.out.println("Ogre is slamming hands all around!");
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}
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}

‎section-06-java-oop/battle-arena-sections/enemyversion3/Zombie.java‎

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package oop.enemyversion3;
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public class Zombie extends Enemy {
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public Zombie(int healthPoints, int attackDamage) {
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super(healthPoints, attackDamage);
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}
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@Override
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public void talk() {
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System.out.println("*Grumbling...*");
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}
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public void spreadDisease() {
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System.out.println("The zombie is trying to spread infection");
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}
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}
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‎section-06-java-oop/battle-arena-sections/enemyversion4/Enemy.java‎

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package oop.enemyversion4;
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public class Enemy {
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/*
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Goal: Show Polymorphism
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*/
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private int id;
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private int healthPoints;
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private int attackDamage;
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private static int numberOfEnemies;
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public Enemy(int healthPoints, int attackDamage) {
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this.healthPoints = healthPoints;
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this.attackDamage = attackDamage;
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numberOfEnemies++;
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this.id = numberOfEnemies;
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}
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public void talk() {
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System.out.println("Be prepared to fight!");
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}
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public void walkForward() {
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System.out.println("Monster moves closer to you");
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}
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public void attack() {
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System.out.println("Monster attacks for " + attackDamage + " damage");
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}
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public int getHealthPoints() {
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return healthPoints;
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}
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public void setHealthPoints(int healthPoints) {
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this.healthPoints = healthPoints;
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}
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public int getAttackDamage() {
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return attackDamage;
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}
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public void setAttackDamage(int attackDamage) {
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this.attackDamage = attackDamage;
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}
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public int getId() {return id;}
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}

‎section-06-java-oop/battle-arena-sections/enemyversion4/Implementation.java‎

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package oop.enemyversion4;
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public class Implementation {
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public static void main(String[] args) {
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Zombie zombie = new Zombie(10, 1);
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zombie.spreadDisease();
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Ogre ogre = new Ogre(20, 3);
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battle(zombie);
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battle(ogre);
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}
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public static void battle(Enemy e) {
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e.talk();
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e.attack();
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}
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}

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