public static int maximumToys(List < Integer > prices, int k) {
    // Sort the prices in ascending order
    Collections.sort(prices);

    // Use reduce to calculate the count
    int[] counter = prices.stream() //
        // .sorted() //
        .reduce(new int[] {0, k}, (arr, price) - > {
            if (arr[1] >= price) {
                // Deduct the price from the budget
                arr[1] -= price;
                // Increment the count
                arr[0]++;
            }

            return arr;
        }, (a, b) - > a);

    // Extract the count from the accumulator
    return counter[0];
}