how to iterate two dimensional arraylist in java
//using enhanced-for loop to iterate over two dimensional ArrayList
List<List<T>> items = new ArrayList<>(Arrays.asList(
Arrays.asList(T ...items),
Arrays.asList(T ...items1),
Arrays.asList(T ...items2)
));
for (List<T> arr : items) {
for (T item : arr) {
System.out.print(item + " ");
}
System.out.println();
}