Math Class

Popcorn Hack 1

public class PowerCalculator {
    public static void main(String[] args) {
        int basePower = 100;
        int level = 10;  // You can change this or ask user input
        double finalPower = basePower * Math.pow(1.2, level);

        System.out.println("Level: " + level);
        System.out.println("Base Power: " + basePower);
        System.out.printf("Final Power: %.2f%n", finalPower);
    }
}
PowerCalculator.main(null);

Level: 10
Base Power: 100
Final Power: 619.17

popcorn Hack 2

public class LootDropSim {
    public static void main(String[] args) {
        System.out.println("Loot Drop!");

        // Generate random rarity number (1–100)
        int rarityRoll = (int)(Math.random() * 100) + 1;
        System.out.println("Rarity Roll: " + rarityRoll);

        String rarity;
        int goldValue;

        if (rarityRoll <= 60) {
            rarity = "COMMON";
            goldValue = (int)(Math.random() * 21) + 10; // 10–30
        } else if (rarityRoll <= 85) {
            rarity = "RARE";
            goldValue = (int)(Math.random() * 40) + 31; // 31–70
        } else {
            rarity = "LEGENDARY";
            goldValue = (int)(Math.random() * 30) + 71; // 71–100
        }

        System.out.println("You got: " + rarity + " item");
        System.out.println("Gold Value: " + goldValue);
    }
}
LootDropSim.main(null);

Loot Drop!
Rarity Roll: 53
You got: COMMON item
Gold Value: 29

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MCQ

//QUESTION 1
int n = (int) Math.pow(2, 3.0 / 2);
System.out.println(n);

2

Answer: A

//QUESTION 2
int r = (int) (Math.random() * 6) + 5;
System.out.println(r);

8

Answer: A

//QUESTION 3
long a = Math.round(-3.5);
double b = Math.floor(-3.1);
double c = Math.ceil(-3.1);
int x = (int) a + (int) b + (int) c;
System.out.println(x);  

-10

Answer: A

QUESTION 4

Answer: A

//QUESTION 5
int a = (int) Math.sqrt(26);
int b = (int) Math.sqrt(26);
System.out.println(a * b);

25

Answer: B

---

Homework Hacks

//PART A
public class HealthDifferenceCalculator {
    public static int healthDifference(int player1Health, int player2Health) {
        return Math.abs(player1Health - player2Health);
    }

    public static void main(String[] args) {
        System.out.println("=== Health Difference Calculator ===");
        System.out.println("Result 1: " + healthDifference(75, 120)); // 45
        System.out.println("Result 2: " + healthDifference(100, 80)); // 20
        System.out.println("Result 3: " + healthDifference(50, 50));  // 0
    }
}
HealthDifferenceCalculator.main(null);

=== Health Difference Calculator ===
Result 1: 45
Result 2: 20
Result 3: 0

//PART B
public class AttackDamageCalculator {
    public static double calculateDamage(double baseDamage, double powerLevel) {
        return baseDamage * Math.pow(1.5, powerLevel);
    }

    public static void main(String[] args) {
        System.out.println("=== Attack Damage Calculator ===");
        System.out.println("Result 1: " + calculateDamage(10.0, 2)); // 22.5
        System.out.println("Result 2: " + calculateDamage(15.0, 3)); // 50.625
    }
}
AttackDamageCalculator.main(null);

=== Attack Damage Calculator ===
Result 1: 22.5
Result 2: 50.625

//PART C
public class DistanceDetector {
    public static double findDistance(int playerX, int playerY, int enemyX, int enemyY) {
        return Math.sqrt(Math.pow(enemyX - playerX, 2) + Math.pow(enemyY - playerY, 2));
    }

    public static void main(String[] args) {
        System.out.println("=== Distance Detector ===");
        System.out.println("Result 1: " + findDistance(0, 0, 3, 4)); // 5.0
        System.out.println("Result 2: " + findDistance(1, 1, 4, 5)); // 5.0
    }
}
DistanceDetector.main(null);

=== Distance Detector ===
Result 1: 5.0
Result 2: 5.0

public class RandomLootGenerator {
    public static int generateLoot(int minValue, int maxValue) {
        return (int)(Math.random() * (maxValue - minValue + 1)) + minValue;
    }

    public static void main(String[] args) {
        System.out.println("=== Random Loot Generator ===");
        System.out.println("Random Loot (10–50): " + generateLoot(10, 50));
        System.out.println("Random Loot (1–6): " + generateLoot(1, 6)); // dice roll
        System.out.println("Random Loot (100–100): " + generateLoot(100, 100)); // always 100
    }
}
RandomLootGenerator.main(null);

=== Random Loot Generator ===
Random Loot (10–50): 17
Random Loot (1–6): 5
Random Loot (100–100): 100