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Crest Infosystems
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I applied via campus placement at A. D. Patel Institute of Technology, Vallabh Vidyanagar and was interviewed in Jul 2024. There were 2 interview rounds.
Aptitude was based on reasoning and basic tech questions.It was easy.
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
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...
I applied via campus placement at Birla Vishvakarma Maha Vidhylaya(Sfi), V.V.Nagar and was interviewed in Jun 2024. There were 2 interview rounds.
Basic javascript questions and verbal reasoning
I applied via campus placement at Birla Vishvakarma Maha Vidhylaya(Sfi), V.V.Nagar and was interviewed before Dec 2023. There were 2 interview rounds.
Basic aptitude questions about profit loss, percentage, a few were tricky but solvable.
Some common hooks used in React.js are useState, useEffect, useContext, and useRef.
useState - for managing state in functional components
useEffect - for handling side effects in functional components
useContext - for accessing context in functional components
useRef - for accessing DOM elements or values in functional components
Normalization in DBMS is the process of organizing data in a database to reduce redundancy and improve data integrity.
Normalization involves breaking down a database into smaller, more manageable tables.
It helps in reducing data redundancy by storing data in a structured way.
Normalization ensures data integrity by minimizing data anomalies.
There are different normal forms like 1NF, 2NF, 3NF, BCNF, etc.
Example: In a dat...
I applied via Naukri.com and was interviewed before Sep 2022. There was 1 interview round.
Polymorphism in OOPs allows objects of different classes to be treated as objects of a common superclass.
Polymorphism allows methods to be called on objects of different classes that implement the same interface or superclass.
There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).
Example: Animal superclass with methods like eat() and sleep(). Dog and Cat subclasses can ov...
MySQL injections are a type of cyber attack where malicious SQL statements are inserted into an entry field for execution.
MySQL injections occur when an attacker inserts malicious SQL code into a query to manipulate the database.
Attackers can use MySQL injections to access, modify, or delete data in the database.
Preventing MySQL injections involves using parameterized queries and input validation.
Example: SELECT * FROM...
Migration in Laravel is the process of managing database schema changes using PHP code.
Migration allows developers to define database tables and their structure using PHP code instead of SQL.
It helps in version control of database schema changes and makes it easier to collaborate with other developers.
Migrations can be rolled back to previous states if needed, making database changes reversible.
Example: 'php artisan ma...
I have integrated payment gateways like PayPal, Stripe, and Square into e-commerce websites.
Integrated PayPal payment gateway for seamless checkout process
Implemented Stripe API for secure credit card transactions
Configured Square payment gateway for in-person and online payments
Crest Infosystems interview questions for popular designations
I applied via LinkedIn and was interviewed in Nov 2021. There were 3 interview rounds.
Kotlin MVVM Retrofit Constraint Layout
I applied via Referral and was interviewed before Sep 2020. There were 4 interview rounds.
I am driven by the desire to create intuitive and user-friendly designs that solve real-world problems.
I am passionate about understanding user needs and behaviors
I enjoy collaborating with cross-functional teams to develop innovative solutions
I am constantly learning and staying up-to-date with industry trends and best practices
I find satisfaction in seeing my designs come to life and positively impacting users
I am mo...
My goal is to create intuitive and visually appealing user interfaces that enhance user experience.
Design user-friendly interfaces
Improve user engagement
Enhance visual aesthetics
Optimize user flows
Stay updated with industry trends and best practices
Top trending discussions
A question that is both tricky and simple.
Questions based on both numerical data and case studies.
I am interested in working for this company because of its innovative projects and strong reputation in the industry.
Innovative projects that challenge me to grow as a programmer
Strong reputation in the industry for quality work
Opportunities for career advancement and professional development
I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.
To create a pipeline in Databricks, you can use Databricks Jobs or Apache Airflow for orchestration.
Use Databricks Jobs to create a pipeline by scheduling notebooks or Spark jobs.
Utilize Apache Airflow for more complex pipeline orchestration with dependencies and monitoring.
Leverage Databricks Delta for managing data pipelines with ACID transactions and versioning.
An abstract class is a class that cannot be instantiated and may contain abstract methods that must be implemented by its subclasses.
Cannot be instantiated directly
May contain abstract methods
Used as a blueprint for other classes
Abstraction is the process of hiding complex details and showing only the essential features of an object or system.
Abstraction allows us to focus on what an object does, rather than how it does it
It helps in simplifying complex systems by breaking them down into smaller, more manageable parts
Examples of abstraction include using a car without needing to understand its internal combustion engine, or using a smartphone
QuickSort is one of the best sorting algorithms with an average time complexity of O(n log n).
QuickSort is a divide and conquer algorithm that works by selecting a 'pivot' element and partitioning the array around the pivot.
It has an average time complexity of O(n log n) and a worst-case time complexity of O(n^2).
Example: ['apple', 'banana', 'cherry', 'date', 'fig'] can be sorted using QuickSort.
Example: ['3', '1', '4'...
Bubble sorting has a time complexity of O(n^2) for a sorted list.
Bubble sorting has a worst-case time complexity of O(n^2) for a sorted list.
The time complexity does not change even if the list is already sorted.
Example: If we have a sorted list of size n, bubble sorting will still take O(n^2) time.
Yes, I have been to multiple states other than Jharkhand.
I have traveled to states like Maharashtra, Karnataka, and Tamil Nadu for work and leisure.
I have visited tourist destinations in states like Rajasthan, Kerala, and Himachal Pradesh.
I have family in states like Uttar Pradesh, Bihar, and West Bengal, which I have visited multiple times.
posted on 17 Jan 2025
I applied via Naukri.com and was interviewed in Dec 2024. There were 2 interview rounds.
Reversing a linked list in Java using iterative approach.
Create three pointers: prev, current, and next.
Iterate through the list, updating pointers to reverse the links.
Return the new head of the reversed list.
Handle StaleElementReferenceException by re-locating the element before interacting with it.
Use try-catch block to catch StaleElementReferenceException
Re-locate the element using findElement method before interacting with it
Use WebDriverWait to wait for the element to become stale
I have worked on various projects involving test automation, performance testing, and quality assurance processes.
Developed automated test scripts using Selenium WebDriver for web applications
Conducted performance testing using JMeter to identify bottlenecks and optimize system performance
Implemented quality assurance processes to ensure software meets requirements and standards
Collaborated with cross-functional teams ...
My strategy for designing an automation framework involves identifying key functionalities, selecting appropriate tools, creating reusable components, implementing robust error handling, and integrating with CI/CD pipelines.
Identify key functionalities to be automated based on priority and impact on testing.
Select appropriate tools and technologies based on the application under test and team expertise.
Create reusable ...
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4-8 Yrs
Not Disclosed
3-5 Yrs
₹ 10-12 LPA
1-2 Yrs
₹ 12-15 LPA
Senior Software Engineer
32
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| ₹5.6 L/yr - ₹13.2 L/yr |
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Software Developer
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Senior Software Developer
7
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Full Stack Developer
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| ₹4 L/yr - ₹7.5 L/yr |
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