Adding Multiple Values in ArrayList at a single index

Question

I have a double ArrayList in java like this.

List values = new ArrayList(2);

Now what I want t

Answer 1

ArrayList arrObjList = new ArrayList();
ArrayList arrObjInner1= new ArrayList();
arrObjInner1.add(100);
arrObjInner1.add(100);
arrObjInner1.add(100);
arrObjInner1.add(100);

arrObjList.add(arrObjInner1);

You can have as many ArrayList inside the arrObjList. I hope this will help you.