Question: Consider the following code used in the controller of an Online Shop App: for (int i = 0; i < allitems.size(); i++) { int

Consider the following code used in the controller of an Online Shop App: for (int i = 0; i < allitems.size(); i++) { int q: if (allitems.get(i).getItemName().equals(itemName) { q=allitems.get(i).getTotalItemQuatity(); q=q-red; allitems.get(i).setTotalItemQuatity(q); what does it do?

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