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Create a pattern logic using arrays of strings
Start by defining the pattern you want to create
Use loops and conditional statements to generate the pattern
Test the pattern with different inputs to ensure it works correctly
I applied via Campus Placement and was interviewed in May 2023. There were 3 interview rounds.
Aptitude test + 2 questions one on DSA and other on Rest api
I applied via Campus Placement and was interviewed in Aug 2022. There were 3 interview rounds.
There were 2 coding questions and 8 mcq
level - HIGH
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I applied via Company Website and was interviewed before Oct 2019. There were 4 interview rounds.
I applied via Naukri.com and was interviewed in Mar 2020. There were 4 interview rounds.
Web service flow is the sequence of steps involved in the communication between a client and a server over the internet.
Web service flow involves a client sending a request to a server
The server processes the request and sends a response back to the client
The response can be in various formats such as XML, JSON, or plain text
Web service flow can be synchronous or asynchronous
Examples of web services include RESTful API...
To check ports in Solaris or Linux machine, use the netstat command.
Open the terminal and type 'netstat -an' to display all open ports.
Use 'netstat -an | grep
To check listening ports, use 'netstat -an | grep LISTEN'.
For Solaris, use 'netstat -an | grep .
I appeared for an interview before Jan 2021.
Round duration - 60 Minutes
Round difficulty - Medium
This was an online proctured coding test where we had 2 questions to solve under 60 minutes. The questions were of Easy to Medium level.
You are provided with a string EXP
which represents a valid infix expression. Your task is to convert this given infix expression into a postfix expression.
An i...
Convert a given infix expression to a postfix expression.
Use a stack to keep track of operators and operands
Follow the rules of precedence for operators
Convert the infix expression to postfix using the stack
Handle parentheses by pushing them onto the stack and popping when necessary
Determine the length of the largest subarray within a given array of 0s and 1s, such that the subarray contains an equal number of 0s and 1s.
Input beg...
Find the length of the largest subarray with equal number of 0s and 1s in a given array.
Iterate through the array and maintain a count of 0s and 1s encountered so far.
Store the count difference in a hashmap with the index as the key.
If the same count difference is encountered again, the subarray between the two indices has equal 0s and 1s.
Round duration - 60 Minutes
Round difficulty - Medium
In this round, the interviewer asked me 2 questions related to DSA and then some questions from OS were asked to check basic understanding of the subject.
Given a string S
, your task is to return all distinct palindromic substrings of the given string in alphabetical order.
A string is considered a pal...
Return all distinct palindromic substrings of a given string in alphabetical order.
Iterate through all possible substrings of the given string
Check if each substring is a palindrome
Store distinct palindromic substrings in alphabetical order
You are given a binary tree consisting of distinct integers and two nodes, X
and Y
. Your task is to find and return the Lowest Common Ancestor (LCA) of these two nodes...
Find the Lowest Common Ancestor (LCA) of two nodes in a binary tree.
Traverse the binary tree to find the paths from the root to nodes X and Y.
Compare the paths to find the last common node, which is the LCA.
Handle cases where one node is an ancestor of the other.
Consider edge cases like when X or Y is the root node.
Implement a recursive or iterative solution to find the LCA efficiently.
Mutex is used for exclusive access to a resource, while semaphore is used for controlling access to a resource by multiple threads.
Mutex is binary and allows only one thread to access the resource at a time.
Semaphore can have a count greater than one, allowing multiple threads to access the resource simultaneously.
Mutex is used for protecting critical sections of code, while semaphore is used for synchronization betwee...
Multitasking involves executing multiple tasks simultaneously, while multiprogramming involves running multiple programs on a single processor.
Multitasking allows multiple tasks to run concurrently, switching between them quickly.
Multiprogramming involves loading multiple programs into memory and executing them concurrently.
Examples of multitasking include running multiple applications on a computer or a smartphone.
Exa...
Round duration - 60 Minutes
Round difficulty - Medium
This round had 2 questions from DSA which were followed by some core concepts from OOPS and Java.
You are provided with two sorted linked lists. Your task is to merge them into a single sorted linked list and return the head of the combined linked list.
...Merge two sorted linked lists into a single sorted linked list with linear time complexity and constant space usage.
Iterate through both linked lists simultaneously, comparing elements and merging them into a new linked list
Update the pointers of the new linked list as you merge elements from the two input linked lists
Ensure to handle cases where one linked list is empty or both linked lists are empty
Maintain the sorte...
Your task is to sort an array of integers in non-decreasing order using the Heap Sort algorithm.
The first line contains an integer 'T' denoting the number of test cas...
Heap Sort algorithm is used to sort an array of integers in non-decreasing order.
Implement Heap Sort algorithm to sort the array in non-decreasing order.
Use a max heap to sort the array in ascending order.
Time complexity of Heap Sort is O(n log n).
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
Abstract class can have constructors, member variables, and methods, while interface cannot have any of these.
A class can extend only one abstract class but can implement multiple interfaces.
Abstract classes are used to provide a common base for subclasses, while interfaces are used to define a contract for cl...
Method overloading is when multiple methods in the same class have the same name but different parameters. Method overriding is when a subclass provides a specific implementation of a method that is already provided by its superclass.
Method overloading allows a class to have multiple methods with the same name but different parameters. For example, having multiple constructors in a class with different parameter lists.
...
Round duration - 30 Minutes
Round difficulty - Easy
This was a typical HR round with some standard Behavioral questions.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I appeared for an interview before Mar 2021.
Round duration - 45 minutes
Round difficulty - Medium
Technical Interview round with questions on DSA.
You are given a string of length N
. Your task is to reverse the string word by word. The input may contain multiple spaces between words and may have leading o...
Reverse words in a string while handling leading, trailing, and multiple spaces.
Split the input string by spaces to get individual words
Reverse the order of the words
Join the reversed words with a single space in between
Handle leading, trailing, and multiple spaces appropriately
You are given a stack of integers. Your task is to reverse the stack using recursion without using any extra space other than the internal stack space used due to recursion...
Reverse a stack using recursion without using any extra space other than the internal stack space.
Use recursion to pop all elements from the original stack and store them in function call stack.
Once the stack is empty, push the elements back in reverse order.
Base case of recursion should be when the original stack is empty.
Round duration - 45 minutes
Round difficulty - Medium
Technical Interview round with questions on DSA.
Given a binary tree, convert this binary tree into its mirror tree. A binary tree is a tree in which each parent node has at most two children. The mirror of a bin...
Convert a binary tree to its mirror tree by interchanging left and right children of all non-leaf nodes.
Traverse the binary tree in a recursive manner.
Swap the left and right children of each non-leaf node.
Continue this process until all nodes have been processed.
You are given a singly linked list with 'N' nodes, each containing integer data, and an integer 'K'. Your goal is to remove the 'K'th node counting from the end of ...
Remove the Kth node from the end of a singly linked list.
Use two pointers approach to find the Kth node from the end.
Handle edge cases like removing the head node or removing the last node.
Update the pointers to remove the Kth node and reconnect the list.
Round duration - 30 minutes
Round difficulty - Easy
Typical Managerial round.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
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