How would you check if a binary tree is BST or not ? Write a program.
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Define splay tree?
Will arraylist maintain insertion order?
Tell me is it better to use a pointer to navigate an array of values, or is it better to use a subscripted array name?
How many types of data structures are used?
We know that Arrays are objects so why cannot we write strArray.length()?
What is the Insertion Sort Code?.
What is difference between list set and map?
How would you reverse the characters of an array?
What is difference between hashmap and hashtable?
What is the difference between array and stack in data structures?
How do you sort an array in descending order?
What is stack algorithm?