The 32-bit Java int can go to a maximum of 2,147,483,647 ... Classes including Vector, Stack and ArrayList all have a size method. So to get the size of an ArrayList, you call its size method. However ...

The listing below demonstrates this scenario. import java.util.ArrayList; class EnclosingClass { private int[] data; public EnclosingClass(int size) { data = new int[size]; } class EnclosedClass ...

If a developer has a set of int values they want to store in an ArrayList, it can’t be done. Unless, of course, they use a corresponding wrapper class or take advantage the autoboxing in Java feature.