If you demonstrated the slightest bit of effort, or even bothered to ask specific questions about what you are having trouble with, perhaps someone would offer some assistance with this.
You merely posted your interview question and asked others to solve it for you - and that's why no one answered you. This forum is about helping people solve their problems - not doing their work for them.
(Read the rules about using "chat speak" as well.)
I am working creating a fully encapsulated, homogeneous singly linked data structure. The Listing class and SinglyLinkedList class that are part of the whole application compile fine, but the problem ...