arraylist 2d in kotlin code example
Example 1: kotlin 2d arraylist
List<List<String>> listOfLists = new ArrayList<List<String>>();
Example 2: kotlin 2d arraylist
listOfLists.add(new ArrayList<String>());
List<List<String>> listOfLists = new ArrayList<List<String>>();
listOfLists.add(new ArrayList<String>());