gistfile1.java

private ArrayList<Double> threeGrades = new ArrayList<Double>();
private ArrayList<Double> twoGrades = new ArrayList<Double>();
private ArrayList<Double> oneGrades = new ArrayList<Double>();
	
	
	
private ArrayList<ArrayList<Double>> gradesListContainer = new ArrayList<ArrayList<Double>>(){{
    add(oneGrades);
    add(twoGrades);
    add(threeGrades);
}};