SimpleCode1

public class ProductOfSums {

    public static int productOfSums(int[] arr, int n) {
        if (n < 3 || arr == null) {
            return -1;
        }

        // Find the sum of the first part of the array.
        int sumOfFirstPart = 0;
        for (int i = 0; i < n / 2; i++) {
            sumOfFirstPart += arr[i];
        }

        // Findind the sum of the second part of the array.
        int sumOfSecondPart = 0;
        for (int i = n / 2; i < n; i++) {
            sumOfSecondPart += arr[i];
        }

        // Return the sum of the product of the sum of first and second part.
        return sumOfFirstPart * sumOfSecondPart;
    }

    public static void main(String[] args) {
        // Create an array.
        int[] arr = {3, 5, 14, 12, 10, 74};

        // Get the length of the array.
        int n = arr.length;

        // Find the sum of the product of the sum of first and second part of the array.
        int productOfSums = productOfSums(arr, n);

        // Print the result.
        System.out.println("The product of sums is: " + productOfSums);
    }
}