Can arraylist hold duplicates?
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Define a full binary tree ?
How to check array contains value or not?
Is arraylist a list?
which notations are used in evaluation of arithmetic expressions using prefix and postfix forms?
What is an array vs list?
Can you distinguish between ArrayList and Array?
Which is faster array or arraylist?
How to initialize Dictionary using collection initialize?
Why do we need linked list?
You want to insert a new item in a binary search tree. How would you do it?
What are the different binary tree traversal techniques?
Define graph traversals?