Differentiate null and void?
Tell me the difference between the character array and a string.
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Explain binary search tree?
What are different types of sorting techniques?
What is a subtree in data structures?
Explain the expression trees?
How do you sort an arraylist in descending order?
Write the syntax in c to create a node in the singly linked list.
What are the different binary tree traversal techniques?
What is breadth first tree?
Why insertion is faster in linked list?
Evaluate the following prefix expression " ++ 26 + - 1324" (Similar types can be asked)
What is difference between treeset hashset linkedhashset?