Constructing the Java Data Structure Certain data structures in Java can be created by you (yes you). In this example, we’ll go ahead and create an ArrayList data structure that has some of the methods that the built-in ArrayList class has. We’ll create 2 constructors: The default constructor that creates an ArrayList with a default size of 10. Constructor that allows an initial size to be passed to the array. We’ll also create a number of methods: void add(Object x); A method that allows you to place an Object at the end of the ArrayList. void add(int index, Object x); A method that allows