1. You are given a partially written LinkedList class. 2. Here is a list of existing functions: 2.1 addLast - adds a new element with given value to the end of Linked List 3. You are required to complete the body of display function and size function 3.1. display - Should print the elements of linked list from front to end in a single line. Elements should be separated by space. 3.2. size - Should return the number of elements in the linked list. 4. Input and Output is managed for you.
Input Format
Input is managed for you
Output Format
Output is managed for you
Constraints
None
Notice
Try First, Check Solution later
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Input
addLast 10 addLast 20 addLast 30 display size addLast 40 addLast 50 display size quit
Output
10 20 30 3 10 20 30 40 50 5