[8pts]
1. Trace through the following IntArrayMultiSet operations, showing the mData and mSize values after each step:

    IntArrayMultiSet set = new IntArrayMultiSet(2);
    set.add(3);
    set.add(4);
    set.add(5);
    set.addMany(6, 7, 8);
    set.remove(3);
    set.addAll(set);
    set.remove(6);

[2pts]
2. Why is the distinction between capacity() and size() so important? Relate it to IntArrayMultiSet?