LinkedList operations

What are the operations in LinkedList?

• a) Insertion, deletion, search
• b) Display, addition, update
• c) Push, pop, peek
• d) Sorting, filtering, merging

What is LinkedList and its operations?

• a) Static data structure, FIFO
• b) Dynamic structure, adds elements
• c) Constant size, stack-like
• d) FIFO queue, array-based

Is LinkedList in Java LIFO or FIFO?

• a) Neither
• b) LIFO
• c) FIFO
• d) Both

How does LinkedList work internally in Java?

• a) Single linked list, LIFO
• b) Doubly linked list, FIFO
• c) Circular linked list, FIFO
• d) Unidirectional list, LIFO

What are the types of linked list data structures?

• a) Dynamic, static, circular
• b) Doubly, circular, linear
• c) Singly, circular, dynamic
• d) Singly, doubly, circular, circular doubly

How is LinkedList different from ArrayList operations?

• a) ArrayList uses linked list internally
• b) ArrayList uses dynamic arrays
• c) LinkedList uses dynamic arrays
• d) LinkedList has faster manipulation

How to perform removal in LinkedList?

• a) Pop method
• b) Remove method
• c) Delete function
• d) Extract operation

What if LinkedList is empty in Java?

• a) Returns null
• b) Throws an exception
• c) Returns false
• d) Returns true

Is LinkedList a Queue or list?

• a) Neither
• b) Only Queue
• c) Only list
• d) Both Queue and list

Is HashMap a LIFO or FIFO?

• a) LIFO
• b) FIFO
• c) Neither
• d) Random