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public interface Algorithm {
    void sort(Comparable[] list);
}

// A class for bubble sort
public static class BubbleSort implements Algorithm {
    @Override
    public void sort(Comparable[] list) {
        int n = list.length;
        for (int i = 0; i < n - 1; i++) {
            for (int j = 0; j < n - i - 1; j++) {
                if (list[j].compareTo(list[j + 1]) > 0) {
                    Comparable temp = list[j];
                    list[j] = list[j + 1];
                    list[j + 1] = temp;
                }
            }
        }
    }
}
}