Question

Java code. You will need to make classes that could be used to stage a battle as described below.

You have been tasked to create a number of items that can be used in an online game. All items can be used on a game character who will have a name, a number of health-points and a bag to hold the items.  

Here are examples of items that can be made:

Item	type of item	effectOnHealth	other info
Widow's Cloak	Armor	+15
Gladiator's Shield	Armor	+8
Rusty Knife	Weapon	-3
Protection Spell	Spell	1	has magic words that can be read
Note from Zelda	Letter	0	says "Beware of the Witch"

Here are examples of characters that can be made:

name	health points
Godwin	30
Marilyn	40

All items can be added to any character's bag and also used on any character. (For instance the Rusty Knife could be used on a character to lower their health by 3 points.)

Armor and weapons can be equipped (worn) and removed. Spells can also be equipped (memorized) which casts a glow around the character and removed (forgotten) which removes the glow. In the future, any time a character equips or removes any item, their appearance will be altered. These methods -- for now -- can just have a body which says either "equipping" or "removing."

Both spells and letters have some text that could be read.  Whenever a spell or letter is used, the text will also be read (displayed). However these items can be read independently from their use on a character.

Build these items using good interface and abstract class design as appropriate. Set the toString() method of the Character class to return a character's name and current health. You should have a good object oriented structure and good method signatures.

To illustrate this, in a driver class, two characters, Godwin and Marilyn are created. They begin by having items added to their bags (both Godwin and Marilyn get a copy of the Note from Zelda). Then the items they have are used on themselves or one another as follows:

This is a sample of how a Driver could work, staging a battle between the defensive Godwin and the offensive Marilyn.

- The Protection Spell is used on Godwin (by Godwin)
- The Rusty Knife is used on Godwin (by Marilyn)
- The Gladiator's Shield is used on Godwin (by Godwin)
- The Rusty Knife is used on Godwin (by Marilyn)

Answer 1

file-name : Character.java
-------------------------------
import java.util.ArrayList;

public class Character extends Items{

    String name;
    int healthPoints;
    ArrayList<String> bags;

    Character(String name, int healthPoints) {
        super();
        this.name = name;
        this.healthPoints = healthPoints;
        bags = new ArrayList<>();
        bags.add("Zelda");
    }

    public String getName() {
        return name;
    }
    public int getHealthPoints() {
        return healthPoints;
    }
    public void setHealthPoints(int healthPoints) {
        this.healthPoints = healthPoints;
    }

    public String toString() {
        String str = "Name: "+this.getName()
                +"\nHealth: "+getHealthPoints()+"\n---------\n";

        return str;
    }

    public void rustyKnife(Character c) {
        System.out.println("Using knife weapon on "+c.getName());
        c.setHealthPoints(c.getHealthPoints()-3);
    } // END of rustyKnife method

    @Override
    public void useSpell() {
        System.out.println("Avada Kedavra");
        this.setHealthPoints(this.getHealthPoints()+1);
        this.bags.add("Spell");
    }

    @Override
    public void zelda() {
        System.out.println("Beware of Witch");
    }

    @Override
    public void wearCloak() {
        System.out.println(this.getName() + " Equipping Widow's Cloak");
        this.bags.add("Cloak");
        this.setHealthPoints(this.getHealthPoints()+8);
    }

    @Override
    public void wearShield() {
        System.out.println(this.getName()+" Equipping Gladiator's Shield");
        this.bags.add("Shield");
        this.setHealthPoints(this.getHealthPoints()+15);
    }

    @Override
    public void removeCloak() {
        // only if the character wears a cloak, then only he can remove it
        if(this.bags.contains("Cloak")) {
            System.out.println(this.getName() + " Removing Widow's Cloak");
            this.bags.remove("Cloak");
            this.setHealthPoints(this.getHealthPoints() - 8);
        }

        else {
            System.out.println("Not wearing any cloak");
        }
    }

    @Override
    public void removeShield() {
        if(this.bags.contains("Shield")) {
            System.out.println(this.getName()+" Removing Gladiator's Shield");
            this.bags.remove("Shield");
            this.setHealthPoints(this.getHealthPoints() - 15);
        }
        else {
            System.out.println("Not wearing any shield");
        }

    }
} //END of class

-------------------------------------------------------------------------------------------------------

file-name:   Items.java
----------------------
public abstract class Items {

    String itemName;
    int points;

    Items(String name, int p) {
        this.itemName = name;
        this.points = p;
    }

    public Items() {

    }

    public abstract void rustyKnife(Character c);
    public abstract void wearCloak();
    public abstract void wearShield();
    public abstract void useSpell();
    public abstract void zelda();
    public abstract void removeCloak();
    public abstract void removeShield();
}

-----------------------------------------------------------------------------------------------------------

file-name:  TestMain.java
------------------------------
public class TestMain {
    public static  void main(String[] args) {

        // creating characters
        Character p1 = new Character("Godwin", 30);
        Character p2 = new Character("Marilyn", 40);

        p1.useSpell();
        p2.rustyKnife(p1);
        p1.wearShield();
        p2.rustyKnife(p1);

        System.out.println("----------");

        // I am showing how some other methods work
        // p1 character not wearing any cloak
        // but still trying to remove so prints error message.
        p1.removeCloak();

        System.out.println(p1);
        System.out.println(p2);

    } // END of main( ) method

} // END of class

==================================================

OUTPUT :

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