How to store all ArrayList> values into ArrayList?

Question

I am having issue to store all values of ArrayList> into ArrayList. Here stylistIDArray and

Answer 1

You doing wrong operation with arraylist, in loop you are getting data from stylistIDArray and assign to aryalist, not inserting in list, have look this

stylistIDArray=differentGenderServicesAdapter.getSelectedStylistIdArray();
                        durationArray=differentGenderServicesAdapter.getSelectedDurArray();

                        ArrayListstylistId=new ArrayList<>();
                        ArrayListduration=new ArrayList<>();

                       for(int i=0; i

Hope it will help you!