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Java is a popular programming language used for developing software applications. Design patterns are reusable solutions to common problems in software design.
Java is an object-oriented programming language known for its platform independence and versatility.
Design patterns are best practices for solving common software design problems.
Examples of design patterns include Singleton, Factory, Observer, and Strategy patte...
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posted on 28 Jul 2021
I applied via Campus Placement and was interviewed before Jul 2020. There was 1 interview round.
Check if binary tree is balanced or not.
A balanced binary tree has the height of left and right subtrees differ by at most 1.
Recursively check the height of left and right subtrees and compare.
Use a helper function to calculate the height of a subtree.
Time complexity: O(nlogn) for a balanced tree, O(n^2) for a skewed tree.
Detect loops in a linked list.
Use two pointers, one moving at a faster pace than the other.
If there is a loop, the faster pointer will eventually catch up to the slower one.
To detect the start of the loop, reset one pointer to the head and move both pointers at the same pace.
I applied via Campus Placement and was interviewed in Mar 2021. There were 4 interview rounds.
Count the maximum continuous occurrences of '1' in a binary string.
Initialize a counter to track current streak of '1's.
Use a variable to store the maximum streak found.
Iterate through each character in the string.
If the character is '1', increment the current counter.
If the character is '0', compare and reset the current counter.
At the end of the iteration, ensure to check the last streak.
posted on 16 Sep 2021
I appeared for an interview before Sep 2020.
Round duration - 60 mins
Round difficulty - Medium
Given a railway seat number represented as an integer, determine if it is a valid seat number and identify its berth type. Possible berth types include lower berth, middle...
Given a railway seat number, determine if it is valid and identify its berth type.
Parse input integer 't' for number of test cases
For each test case, check if seat number is valid (1 <= N <= 100)
Identify berth type based on seat number and output the result
Possible berth types are Lower, Middle, Upper, Side Lower, and Side Upper
Round duration - 90 mins
Round difficulty - Hard
First they asked me to introduce myself then they started questioning on oops concept from basic to advance level such as inheritance, polymorphism, abstraction, exception handling , STL etc. Next they started questioning on data structures. They asked me the logic of “how to find the middle of a linked list”.
You are provided with a square matrix. Your task is to return true
if the matrix is symmetric; otherwise, return false
.
A symmetric matrix is characterized by its transpose being eq...
Check if a square matrix is symmetric by comparing it with its transpose.
Iterate through the matrix and compare each element with its corresponding element in the transpose
If any pair of elements do not match, return false immediately
If all pairs match, return true at the end
Tip 1 : Clear the basic concepts of data structure and OOPs.
Tip 2 : Use coding ninja platform and Hackerearth for practice on coding skills.
Tip 3 : Use Geeks For Geeks for interview preparation.
Tip 1: Make your resume short and try to make it of one page only.
Tip 2: Add relevant keywords
I applied via Referral and was interviewed before Aug 2021. There were 2 interview rounds.
General topics like mathe, English, social etc
posted on 15 Jul 2022
I applied via Referral and was interviewed before Jul 2021. There were 3 interview rounds.
If you are a fresher , then this is for you else almost no coding test for experienced candidates.
I applied via Referral and was interviewed before Dec 2021. There were 5 interview rounds.
20 basic coding and non coding mcq with 60 min time.
5 basic coding problems with 60 min time based on arrays string and numbers.
It represents the eligibility of person and thinking process ,view of thoughts
Skills ,fast typing , experienced ,new ideas
Deeply study case and make a point to make attractive
I applied via Referral and was interviewed before Oct 2023. There was 1 interview round.
I applied via Job Portal and was interviewed in Mar 2022. There were 6 interview rounds.
It's totally based on your basic coding skills. Have basics ques about coding and have some problems to solve.
based on 1 interview experience
based on 1 review
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