Data structures

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##Linked List

Requirements

Implement a singly linked list:

• You may not use the LinkedList or ArrayList class or any other predefined Java collections
• Your linked list must have a node inner class to represent each element
• Your linked list must have add, remove, contains, find, size, get, copy and sort methods
• Method definitions:
  • add -- add an element to the list
  • remove -- remove an element (specified by numeric index) from the list
  • contains -- returns true if the element is in the list, false otherwise
  • find -- returns the element's index if it is in the list, -1 otherwise
  • size -- returns the current size of the list
  • get -- returns the element at the specified index
  • copy -- returns a new linked list containing the same values (look up deep versus shallow copy)
  • sort -- sorts the list using your algorithm of choice. You must perform the sorting yourself (no fair using someone else's library)

Optional features

• implement your linked list as a generic class that can store any type of object
• Add a reverse method
• Add a slice method that returns a copy of a subset of the element of the list (eg slice(2,8) returns a new linked list containing elements #2,3,4,5,6,7 -- but not 8)