Eroare de compilare: Main.java:33: error: no suitable method found for add(ArrayList<Object>) lists.add(new ArrayList<>()); ^ method ArrayList.add(int,ArrayList<Integer>) is not applicable (actual and formal argument lists differ in length) method ArrayList.add(ArrayList<Integer>) is not applicable (actual argument ArrayList<Object> cannot be converted to ArrayList<Integer> by method invocation conversion) method AbstractList.add(int,ArrayList<Integer>) is not applicable (actual and formal argument lists differ in length) method AbstractList.add(ArrayList<Integer>) is not applicable (actual argument ArrayList<Object> cannot be converted to ArrayList<Integer> by method invocation conversion) method AbstractCollection.add(ArrayList<Integer>) is not applicable (actual argument ArrayList<Object> cannot be converted to ArrayList<Integer> by method invocation conversion) 1 error