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I was interviewed in Aug 2024.
General aptitude questions like numerical problems and logical reasoning were asked. To be answered in 45 minutes. Another 30 minutes were provided to answer technical MCQs based on finding output of given Java code, programming related MCQs, and some database questions
NoSQL is a type of database that provides a mechanism for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases.
NoSQL stands for 'Not Only SQL' and is a non-relational database management system.
NoSQL databases are schema-less, allowing for flexibility in data storage and retrieval.
Examples of NoSQL databases include MongoDB, Cassandra, and Redis.
Machine learning is teaching computers to learn from data and make decisions without being explicitly programmed. Deep learning is a subset of machine learning that uses neural networks to mimic the human brain.
Machine learning is like teaching a child to recognize different fruits by showing them pictures and telling them the names.
Deep learning is like teaching a child to recognize different fruits by showing them pi...
4 pillars of OOPs are Inheritance, Encapsulation, Abstraction, and Polymorphism.
Inheritance: Child classes inherit attributes and methods from parent classes. Example: Animal -> Dog
Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class with private variables and public methods
Abstraction: Hiding complex implementation details and showing only necessary features. Example:...
OOPs allows for better organization, reusability, and flexibility in code. Java is a popular OOP language.
OOPs promotes code reusability through inheritance and polymorphism
Encapsulation helps in data hiding and protecting data integrity
Java supports OOP principles like encapsulation, inheritance, and polymorphism
OOPs allows for better organization of code into classes and objects
Machine learning algorithms are used to make predictions or decisions based on data.
Linear Regression: used for predicting continuous values based on input features.
Logistic Regression: used for binary classification tasks.
Decision Trees: used for classification and regression tasks, creating a tree-like model of decisions.
Random Forest: ensemble learning method using multiple decision trees for improved accuracy.
Suppo...
SQL is a relational database management system, while NoSQL is a non-relational database management system.
SQL is table-based, with structured data and predefined schema (e.g. MySQL, PostgreSQL)
NoSQL is document-based, key-value pairs, wide-column stores, or graph databases, with dynamic schema (e.g. MongoDB, Cassandra)
SQL is better for complex queries and transactions, while NoSQL is better for large amounts of unstru
Sort a list of 0s, 1s, 2s using brute force and optimized methods with time and space complexity analysis.
Brute force method: Count the occurrences of 0s, 1s, and 2s and reconstruct the array accordingly.
Optimized method: Use Dutch National Flag algorithm to partition the array into three sections based on 0s, 1s, and 2s.
Time complexity: Brute force - O(n), Optimized - O(n)
Space complexity: Brute force - O(1), Optimize
Biometrics for employee attendance can be improved by integrating latest technologies like facial recognition and vein pattern recognition.
Implement facial recognition technology for accurate and fast attendance tracking.
Integrate vein pattern recognition for enhanced security and reliability.
Utilize AI algorithms to continuously improve biometric matching accuracy.
Explore touchless biometric solutions to promote hygie...
My friends are supportive, loyal, and ambitious. I admire their positive attitudes and work ethic.
Supportive - always there to offer help and encouragement
Loyal - stand by me through thick and thin
Ambitious - motivated to achieve their goals
Positive attitude - see the bright side in every situation
Work ethic - dedicated and hardworking
Inculcated qualities by surrounding myself with positive influences and emulating the
In the next 10 years, I see myself growing into a senior software engineer role, leading projects and mentoring junior developers.
Continuing to enhance my technical skills through ongoing learning and certifications
Taking on more responsibilities in project management and team leadership
Mentoring and guiding junior developers to help them grow in their careers
Possibly pursuing a higher degree or specialization in a spe
My short term goal is to gain experience and improve my technical skills. My long term goal is to become a senior software engineer and lead a team.
Short term goal: Gain experience through hands-on projects and learning opportunities
Short term goal: Improve technical skills by staying updated with latest technologies and tools
Long term goal: Become a senior software engineer by taking on more challenging projects and r...
Normal Aptitude and Basics of the Computer Core Questions
I am a software developer with 5 years of experience in developing web applications using Java, Spring Boot, and Angular.
5 years of experience in software development
Proficient in Java, Spring Boot, and Angular
Strong problem-solving skills
Experience working in Agile development environment
Passionate about learning new technologies
I applied via Campus Placement and was interviewed in May 2024. There were 2 interview rounds.
General aptitude questions and technical questions
OOPs is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
OOPs focuses on creating objects that interact with each other to solve a problem.
Encapsulation, inheritance, and polymorphism are key principles of OOPs.
Example: In a car manufacturing company, a 'Car' object can have properties like 'model', 'color', and methods like 'startEn
Vanenburg interview questions for popular designations
I applied via Recruitment Consulltant and was interviewed in Nov 2023. There was 1 interview round.
Iterate through the array to find the second largest number.
Iterate through the array and keep track of the largest and second largest numbers.
Compare each element with the largest and second largest numbers to update them accordingly.
Return the second largest number once the iteration is complete.
Use a loop to iterate through the string and count the occurrences of the given character.
Iterate through the string using a loop
Check each character if it matches the given character
Increment a counter if a match is found
Return the counter as the frequency of the given character
We are using Spring Boot 2.5.3 and Java 11 in our project.
Spring Boot version: 2.5.3
Java version: 11
Transactional annotation is used in Spring framework to manage transactions in a declarative way.
Transactional annotation is used to define the scope of a single database transaction.
It ensures that if any operation within the transaction fails, the entire transaction is rolled back.
It simplifies the code by handling transaction management automatically.
It can be applied at class level or method level in Spring applica
Design a database schema for an employee database
Create a table for employees with fields like employee_id, name, department, position, etc.
Consider adding tables for departments, positions, and any other related entities
Include relationships between tables using foreign keys
Ensure data integrity with constraints like unique keys and not null constraints
Factory design pattern is a creational pattern that provides an interface for creating objects in a superclass, but allows subclasses to alter the type of objects that will be created.
Factory design pattern is used to create objects without specifying the exact class of object that will be created.
It provides a way to delegate the instantiation logic to child classes.
One example is the Factory Method pattern, where a s...
Test was fairly simple consisting of basic cse concepts
I applied via Campus Placement and was interviewed in Sep 2024. There were 2 interview rounds.
It was a 35 Questions Aptitude round and 15 Technical Questions.
Since it was an on campus event, It was in my college premises.
The second round was Coding+Technical a F2F round. Mine was lasted for 1 hr 40 mins.
I applied via Job Portal
Mcqs based on aptitude and cs fundamentals
Array sorting,selection sort,insertion sort
Technical questions bacsic array questions
I applied via Campus Placement and was interviewed in Jul 2023. There were 3 interview rounds.
Basic quantitative, logical reasoning along with few technical questions
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