The is question 6d from the "OCP Practice Exams" by K&B page 151
6.d Create a List of Longs. Create an array that "backs" the List. Change a value in the List and display the contents of the array. Change a value in the array and display the contents of the List. Attempt to add a new entry to the List.
I believe that I was able to create a List that backs an array by using the asList() method, but I don't know how to create an array that backs a list.
Thanks for reading my post.
posted 4 years ago
It just means to create the List of Longs by creating a Long array and then using Arrays.asList.
The first lines of Arrays.asList javadoc:
Returns a fixed-size list backed by the specified array. (Changes to the returned list "write through" to the array.)