Can an arraylist be null?
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What will you prefer for traversing through a list of elements between singly and doubly linked lists?
When is a graph said to be weakly connected?
What are the parts of root node?
Can hashmap store null values?
State the advantages of using infix notations?
Which is faster quick sort or merge sort?
What is a data structure node class?
Explain heapsort. What is its complexity?
What is a weighted graph?
Can arraylist hold duplicates?
Why is hashing used?
What is nonlinear data?