Why is arraylist not thread safe?
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On clicking a node in a tree, all the adjacent edges are turned on. Calculate min of clicks such that all the edges are turned on.
What is Insertion sort, selection sort, bubble sort( basic differences among the functionality of the three sorts and not the exact algorithms)?
Which sorting does collections sort use?
Is it necessary to sort a file before searching a particular item ?
Mention one advantage and disadvantage of using quadratic probing?
Which interfaces are implemented by linkedlist?
Stack can be described as a pointer. Explain.
State the demerits of linked representation of binary trees?
What are AVL trees?
What is the difference between array list and vector list?
What is vector and types of vector?
Which interface treemap implements?