java create arraylist of arraylist code example

Example 1: how to make an array of arraylists in java

ArrayList<Integer> [] myList = (ArrayList<Integer>[]) new ArrayList[4];

Example 2: java make arraylist

//Create the Arraylist variable: . Replace the T with the type of 
//data to be stored in the list.
ArrayList<T> exampleList = new ArrayList<>();
//You can now perform operations on this ArrayList