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Questions and Answers
What is a linked list in its simplest form?
What is a linked list in its simplest form?
- A data structure with fixed memory allocation
- An array of elements connected in a linear manner
- A set of data elements stored contiguously
- A collection of nodes forming a linear ordering (correct)
What does each node in a linked list store?
What does each node in a linked list store?
- Only a pointer to the next node
- Data or information of the element, and a pointer to the next node (correct)
- Data, pointer to the next node, and a reference to the previous node
- Only the data or information of the element
What is the key advantage of a linked list in terms of memory?
What is the key advantage of a linked list in terms of memory?
- It has fixed memory allocation for each node
- It stores data contiguously for faster access
- It allows random access to elements
- It does not waste memory space (correct)
What types of data can be stored in a linked list?
What types of data can be stored in a linked list?
What is the purpose of the 'next' reference in each node of a linked list?
What is the purpose of the 'next' reference in each node of a linked list?
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Study Notes
Linked List Basics
- A linked list is a dynamic collection of nodes, where each node contains data and a reference to the next node.
- Each node in a linked list typically stores two items: data (the actual information or value) and a reference (a pointer) to the next node.
Memory Advantage
- The key advantage of a linked list is that it can efficiently use memory, as nodes can be dynamically allocated and deallocated as needed.
Data Storage
- Linked lists can store various types of data, including integers, strings, objects, and even other linked lists.
'Next' Reference
- The purpose of the 'next' reference in each node is to point to the next node in the sequence, allowing for efficient traversal and manipulation of the linked list.
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