// Variante 1
			List<String[]> constraintArrayList = new ArrayList<String[]>();
			String[] constraintStringArray = new String[2];

			constraintStringArray[0] = "#ifc123";
			constraintStringArray[1] = "#ifc124";
			constraintArrayList.add(constraintStringArray);

			System.out.println(constraintArrayList.size());
			System.out.println(constraintArrayList.get(0)[0]);
			System.out.println(constraintArrayList.get(0)[1]);

// Variante 2
			constraintStringArray[0] = "#ifc123";
			constraintStringArray[1] = "#ifc124";
			constraintArrayList.add(constraintStringArray);

			constraintStringArray[0] = "#ifc124";
			constraintStringArray[1] = "#ifc123";
			constraintArrayList.add(constraintStringArray);

			System.out.println(constraintArrayList.size());
			System.out.println(constraintArrayList.get(0)[0]);
			System.out.println(constraintArrayList.get(0)[1]);
			System.out.println(constraintArrayList.get(1)[0]);
			System.out.println(constraintArrayList.get(1)[1]);