Can a null element added to a treeset or hashset?
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Write the c program to insert a node in circular singly list at the beginning.
Which sorting is worst?
No. of possible ordered trees with n nodes ? Please give formula (if any).
Which is faster hashmap or concurrenthashmap?
What is a simple graph?
What is scalar data type?
What is the difference between Array and Array List ? Explain in brief with example.
Describe what is Node in link list? And name the types of Linked Lists?
What are the notations used in Evaluation of Arithmetic Expressions using prefix and postfix forms?
Why null is not allowed in treemap?
What is data structures in computer science?
What is a cycle or a circuit?