Linked list methods #2066

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AmirReza-alt wants to merge 4 commits into trekhleb:master

from AmirReza-alt:LinkedList_methods

Open

Linked list methods #2066

AmirReza-alt wants to merge 4 commits into trekhleb:master from AmirReza-alt:LinkedList_methods

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@AmirReza-alt

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@AmirReza-alt AmirReza-alt commented Aug 4, 2025

Add some usefull methods to LinkedList data structure.

List usually have some methods and properties that let user to give some information from the list like length.
I add some of this methods to the class to make it better.
This is a list of what methods i add:

indexOf()
to find a index by it's value.
at()
to find a value by it's index.
print()
to print the entire list. example : 30 ==> 40 ==> 50 ==> null
getSize()
to get the length of the linked list.
its better to define the property for this one but i prefere to don't touch the entire code and i just make a method for this one.