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Crest Infosystems Android Developer Intern Interview Questions and Answers
Crest Infosystems Android Developer Intern Interview Experiences
1 interview found
Selected
I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.
Aptitude was based on reasoning and basic tech questions.It was easy.
(2 Questions)
- Q1. Introduce yourself.
- Ans.
I am a passionate Android developer with experience in building mobile applications using Java and Kotlin.
Experienced in developing Android apps using Java and Kotlin
Familiar with Android Studio and Android SDK
Knowledge of RESTful APIs and third-party libraries like Retrofit and Glide
- Q2. How Kotlin is better than Java.
- Ans.
Kotlin is better than Java due to its concise syntax, null safety, interoperability, and improved performance.
Kotlin has concise syntax which reduces boilerplate code and makes code more readable.
Kotlin provides null safety features to prevent NullPointerExceptions at runtime.
Kotlin is fully interoperable with Java, allowing developers to use both languages in the same project.
Kotlin offers improved performance compare...
Skills evaluated in this interview
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Software Engineer Interview Questions & Answers
Josh Technology Group
Anonymous
posted on 16 Sep 2021
I appeared for an interview before Sep 2020.
(1 Question)
Round duration - 60 mins
Round difficulty - Medium
- Q1.
Railway Seat Berth Determination
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...
- Ans.
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
(1 Question)
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”.
- Q1.
Matrix Symmetry Check
You are provided with a square matrix. Your task is to return
trueif the matrix is symmetric; otherwise, returnfalse.A symmetric matrix is characterized by its transpose being eq...
- Ans.
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
Interview Preparation Tips
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
Skills evaluated in this interview
Software Engineer Interview Questions & Answers
Josh Technology Group
Anonymous
posted on 28 Jul 2021
I applied via Campus Placement and was interviewed before Jul 2020. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Check if binary tree is balanced or not.
- Ans.
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.
- Q2. Detect loops in linked list.
- Ans.
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.
Interview Preparation Tips
Skills evaluated in this interview
I applied via Walk-in and was interviewed before Mar 2021. There were 3 interview rounds.
Aptitude test
Current affairs
(1 Question)
- Q1. Puzzle , sql related questions
Interview Preparation Tips
Interview Preparation Tips
Experience: this was a telephonic round : There I was asked basics of web development (e.g Session, hidden variable difference between POST and GET etc. ) and basics of PHP e.g global variables etc , little bit of mysql e.g joins , difference between left and right joins.
Round: Technical Interview
Experience: This was pretty much about interview rounds. I got the offer.
Skills: Core java, OOP, PHP
College Name: na
Selected
I applied via Campus Placement and was interviewed in Sep 2022. There were 3 interview rounds.
One hour aptitude test, after clearing that, some basic coding questions were unlocked.
This one was face to face. Basically, the approach to the question was seeked by the HRs rather than the correct answer only.
(3 Questions)
- Q1. This included two rounds, one with HR and one with CEO. Questions were based on real life logics and basic mathematics
- Q2. Based on real life and quants with some HR Questions.
- Q3. Like: What salary do you expect
- Ans.
I expect a competitive salary based on my skills, experience, and the market rate for software developers.
Research the average salary range for software developers in your location and industry.
Consider your level of experience, education, and any specialized skills you possess.
Factor in the company's size, reputation, and financial stability.
Be prepared to negotiate and discuss benefits and perks in addition to salary...
Interview Preparation Tips
They totally select you on the basis of aptitude only
(1 Question)
- Q1. It is also based on aptitude
Interview Preparation Tips
5 coding questions in the first round
(2 Questions)
- Q1. About yourself , about your project explaination.
- Ans. Explianation about your project they'll ask fine details also.
- Q2. Find prime numbers value.
- Ans.
A prime number is a number greater than 1 that is divisible only by 1 and itself.
Start with a loop to iterate through numbers
Check if each number is divisible by any number from 2 to its square root
If not divisible, add it to the list of prime numbers
Interview Preparation Tips
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.
(1 Question)
- Q1. 1St Technical Interview 3 coding problems 1) leap Year 2)binary to decimal 3)prime number
(1 Question)
- Q1. 2nd Technical Interview 1)input: "Raja Software Labs" output: "Raja%20Software%20Labs" 2) find contigious subarray with max sum
(1 Question)
- Q1. 3rd Technical Interview did not qualify for this round
Interview Preparation Tips
explain logic before coding
Selected
I applied via Walk-in and was interviewed before Oct 2022. There were 3 interview rounds.
Simple array and string based questions were asked in the coding round
(1 Question)
- Q1. Questions were like - find first non repeating character in string, find max consecutive duplicate elements in an array
Interview Preparation Tips
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Crest Infosystems Android Developer Intern Interview Process
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