Using Primitives and Objects HW (Unit 1&2)

Homework Units 1 and 2

• Unit 1 CB Homework 2006 FRQ Questions & Scoring Guidelines 2006 FRQ Questions 2006 FRQ Solutions

• Unit 2 CB Homework None

Unit 1 HW: 2006 FRQ 1, 2a, 3a
//
# 1a)
public boolean conflictsWith(Appointment other){
    TimeInterval a = this.getTime(), b = other.getTime();
    return a.overlapsWith(b);
}

# 1b)
public void clearConflicts(Appointment appt){
    for(int i = apptList.size() - 1; i >= 0; i--) {
        Appointment ab = apptList.get(i);
        if(ab.conflictsWith(appt)) {
            apptList.remove(i);
        }
    }
}

# 1c)
public boolean addAppt(Appointment appt, boolean emergency){
    if(emergency){
        clearConflicts(appt);
        return apptList.add(appt);
    } else {
        boolean conflict = false;
        for(Appointment a : apptList)
            if(a.conflictsWith(appt))
                conflict = true;
        if(conflict) {
            return false;
        } else {
            return apptList.add(appt);
        }
    }
}

# 2a)
public double purchasePrice(rate){
    double calculatedPrice = getListPrice() * (1 - TaxableItem(rate));
    return calculatedPrice;

}

# 3a)
public int compareCustomer(Customer other){
    int nameCompare = this.getName().compareTo(other.getName());
    if(nameCompare == 0){
        return this.getID() - other.getID();
    } else {
        return nameCompare;
    }
}

//Unit2HW
import java.util.Random;
public class Goblin {
    private String name;
    private int HP;
    private int DMG;
    private double hitChance;

    public String getName() {
        return name;
    }

    public int getHP() {
        return HP;
    }

    public int getDMG() {
        return DMG;
    }

    public double getHitChance() {
        return hitChance;
    }

    public boolean isAlive() {
        if (this.HP > 0) {
            return true;
        } else {
            return false;
        }
    }

    public void setName(String newName) {
        this.name = newName;
    }

    public void setHP(int newHP) {
        this.HP = newHP;
    }

    public void takeDMG(int takenDamage) {
        this.HP -= takenDamage;
    }

    public void setDMG(int newDMG) {
        this.DMG = newDMG;
    }

    public void setHitChance(double newHitChance) {
        this.hitChance = newHitChance;
    }
}

import java.util.Random;
public class Duel {

    public static void fight(Goblin goblin1, Goblin goblin2, Double rand) {
        while (goblin1.isAlive() && goblin2.isAlive()) {
            for(int i = 0; i < 5; i++) {
                if (rand > goblin1.getHitChance()) {
                    System.out.println("Missed");
            }   else {
                    System.out.println("Hit");
                    break;
            }}
            goblin1.takeDMG(goblin2.getDMG());
            System.out.println(goblin1.getName() + " takes " + goblin2.getDMG() + " damage");
            System.out.println(goblin1.getName() + " HP: " + goblin1.getHP());

            if (!goblin1.isAlive()) {
                System.out.println(goblin1.getName() + " has perished");
                break;
            }

            goblin2.takeDMG(goblin1.getDMG());
            System.out.println(goblin2.getName() + " takes " + goblin1.getDMG() + " damage");
            System.out.println(goblin2.getName() + " HP: " + goblin2.getHP());

            if (!goblin2.isAlive()) {
                System.out.println(goblin2.getName() + " has perished");
                break;
            }
        }
    }

    public static void main(String[] args) {
        Goblin goblin1 = new Goblin();
        goblin1.setName("jeffrey");
        goblin1.setHP(12);
        goblin1.setDMG(2);
        goblin1.setHitChance(2);

        Goblin goblin2 = new Goblin();
        goblin2.setName("Gunther the great");
        goblin2.setHP(4);
        goblin2.setDMG(1);
        goblin2.setHitChance(1);
        Random x = new Random();
        double rand = x.nextDouble();
        fight(goblin1, goblin2, rand);
    }
}

Duel.main(null);

Hit
jeffrey takes 1 damage
jeffrey HP: 11
Gunther the great takes 2 damage
Gunther the great HP: 2
Hit
jeffrey takes 1 damage
jeffrey HP: 10
Gunther the great takes 2 damage
Gunther the great HP: 0
Gunther the great has perished