These top 10 coding interview questions will surely help you land a 6-figure job
Coding skills are always the deciding factor in any programming interview. So, no matter what is the scale of experience, every developer has to prepare for coding interviews at some point in their lives. Here are the top 10 coding interview questions to land a 6 figure job in 2023.
What is a Linked List?
Like an array, a linked list refers to a linear data structure in which the elements are not necessarily stored in a contiguous manner. It is basically a sequence of nodes, each node points towards the next node forming a chain-like structure.
What is LIFO?
LIFO is an abbreviation for Last In First Out. It is a way of accessing, storing, and retrieving data. It extracts the data that was stored last first.
What is a Stack?
A stack refers to a linear data structure performing operations in a LIFO (Last In First Out) order. In a stack, elements can only be accessed, starting from the topmost to the bottom element.
What is FIFO?
FIFO stands for First In First Out. It is a way of accessing, storing, and retrieving data.
The data that was stored first is extracted first. Till now, you’ve covered some very fundamental coding interview questions. Going ahead you will dive deeper into the subject.
What is a Queue?
A queue refers to a linear data structure that performs operations in a FIFO order.
In a queue, the least recently added elements are removed first as opposed to a stack.
What are Binary Trees?
A binary tree is an extension of the linked list structure where each node has at most two children. A binary tree has two nodes at all times, a left node and a right node.
What is Recursion?
Recursion refers to a function calling itself based on a terminating condition.
It uses LIFO and therefore makes use of the stack data structure.
The next couple of coding interview questions will explore your knowledge of OOPs.
What is the OOPs concept?
OOPs stands for Object-Oriented Programming System, a paradigm that provides concepts such as objects, classes, and inheritance.
Explain what a Binary Search Tree is.
A binary search tree is used to store data so that it can be retrieved very efficiently. The left sub-tree contains nodes whose keys are less than the node’s fundamental value. The right sub-tree contains nodes whose keys are greater than or equal to the node’s key value
Which sorting algorithm is the best?
There are many types of sorting algorithms: bubble sort, quick sort, balloon sort, merge sort, radix sort, and more. No algorithm can be considered the best or fastest because they have been designed for a specific type of data structure where it performs the best.
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