Method getSubsets2

java/Chapter 9/Question9_4/Question.java:39–47

(ArrayList<Integer> set)

	}
	
	public static ArrayList<ArrayList<Integer>> getSubsets2(ArrayList<Integer> set) {
		ArrayList<ArrayList<Integer>> allsubsets = new ArrayList<ArrayList<Integer>>();
		int max = 1 << set.size(); /* Compute 2^n */ 
		for (int k = 0; k < max; k++) {
			ArrayList<Integer> subset = convertIntToSet(k, set);
			allsubsets.add(subset);
		}
		return allsubsets;
	}
	
	public static void main(String[] args) {
		ArrayList<Integer> list = new ArrayList<Integer>();