Which data structure is used to perform recursion?
What is unmodifiable list?
What are the disadvantages array implementations of linked list?
What is the use of space complexity and time complexity?
Explain stacks and queues in detail.
State the rules to be followed during infix to prefix conversions?
How do you sort elements in an arraylist?
What type of variable is age?
Does treemap sort on key or value?
What is the difference between hashset and hashmap?
What are the types of linked list?
How would you reverse the characters of an array?
Where is data structure used?