ContainerHelper.java

public class ContainerHelper {

    public static void ensurePositiveValue(int val) {
        if (val < 0) {
            throw new RuntimeException("Value should be greater than or equal to zero\tCurrent value: " + val);
        }
    }

    public static void ensurePositiveValue(int... vals) {
        for (int i : vals) {
            ensurePositiveValue(i);
        }
    }

    public static int[] transfer(int srcQuantity, int dest, int... dests) {
        ensurePositiveValue(srcQuantity);
        ensurePositiveValue(dest);
        ensurePositiveValue(dests);

        int[] res = new int[dests.length + 1];

        int quantityToTransferDest = Math.min(srcQuantity, dest);
        res[0] = quantityToTransferDest;
        srcQuantity -= quantityToTransferDest;

        for (int i = 1; i < res.length; i++) {
            if (srcQuantity > 0) {
                int quantityToTransferDests = Math.min(srcQuantity, dests[i - 1]);
                res[i] = quantityToTransferDests;
                srcQuantity -= quantityToTransferDests;
            }
        }

        return res;
    }

    public static void main(String[] args) {
        int src = 100;
        int dest = 10;
        int arg1 = 40;
        int arg2 = 30;
        int arg3 = 50;

        int res[] = transfer(src, dest, arg1, arg2, arg3);

        System.out.print("{");
        for (int i = 0; i < res.length; i++) {
            System.out.print(res[i]);
            if (i < res.length - 1) {
                System.out.print(", ");
            } else {
                System.out.println("}");
            }
        }
    }
}