Method pop

java/Chapter 3/Question3_3/SetOfStacks.java:31–38

()

	}
	
	public int pop() {
		Stack last = getLastStack();
		int v = last.pop();
		if (last.size == 0) {
			stacks.remove(stacks.size() - 1);
		}
		return v;
	}
	
	public int popAt(int index) {
		return leftShift(index, true);