1st QUESTION

object operator { def combine(a: Double, b: Double, c: Double, operation: (Double, Double) => Double): Double = { operation(operation(a, b), c) }

def main(args: Array[String]): Unit = { val res0: Double = combine(1, 2, 3, _ + _) println(s"Result 0: $res0")

val res1: Double = combine(2, 4, 6, _ * _)
println(s"Result 1: $res1")

val res2: Double = combine(1, 2, 3, (x, y) => x min y)
println(s"Result 2: $res2")

} }

2ND QUESTION

applyall :: Num a => [a -> a] -> a -> [a] applyall fs x = map (\f -> f x) fs --appling function +3,*2 in 10 so that it print [13,20]

main :: IO () main = do let result = applyall [(+3), (*2)] 10 putStrLn ("Result: " ++ show result)

3RD QUESTION

import java.util.Random;

class NumberGenerator { private int number; private boolean isGenerated;

public synchronized void generateNumber() {
    // Generate a random number
    Random rand = new Random();
    number = rand.nextInt(100) + 1; // Generate a random number between 1 and 100
    isGenerated = true;
    System.out.println("Generated Number: " + number);

    // Notify waiting threads that the number is ready
    notify();
}

public synchronized void processNumber() {
    while (!isGenerated) {
        try {
            // Wait for the number to be generated
            wait();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    if (number % 7 == 0) {
        // Double the number if it is divisible by seven
        number *= 2;
        System.out.println("Second Thread: Doubled Number: " + number);
    } else {
        // Triple the number if it is not divisible by seven
        number *= 3;
        System.out.println("Third Thread: Tripled Number: " + number);
    }
}

}

public class Main { public static void main(String[] args) { NumberGenerator numberGenerator = new NumberGenerator();

    // First thread to generate a random number
    Thread generatorThread = new Thread(() -> {
        numberGenerator.generateNumber();
    });

    // Second thread to process the generated number
    Thread processorThread = new Thread(() -> {
        numberGenerator.processNumber();
    });

    generatorThread.start();
    processorThread.start();
}

}