List the two important key points of depth first search?
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Define forest?
What is the default value of Array?
Which list does not allow duplicates?
Advanced problems related to Data Structures were asked
State the advantages of using infix notations?
Define in brief an array. What are the types of array operations?
Describe what is Node in link list? And name the types of Linked Lists?
Which is better hashmap or arraylist?
Can we add duplicate keys in a hashmap? What will happen if we attempt to add duplicate values?
Define binary tree insertion.
What is meant by deque?
How do you use the sort function?