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Intellect Design Arena Interview Questions and Answers
111 Interview questions
HashSet is an unordered collection of unique elements, while Hashtable is a synchronized collection of key/value pairs.
HashSet does not allow duplicate elements, while Hashtable does not allow duplicate keys.
HashSet does not maintain insertion order, while Hashtable does not guarantee any order.
HashSet allows null values, while Hashtable does not allow null keys or values.
Collection is an interface in Java that represents a group of objects, while Collections is a utility class that contains static methods for operating on collections.
Collection is an interface in Java that represents a group of objects.
Collections is a utility class in Java that contains static methods for operating on collections.
Example: List<String> list = new ArrayList<>(); Collection<String>...
Apex trigger to update Contact records with the associated Account's email address.
Create a trigger on the Contact object that fires after insert and update.
Use a Map to relate Account IDs to their email addresses for efficient lookup.
Iterate through the Trigger.new context variable to access the Contact records.
For each Contact, check if it has an associated Account and update the email field.
Example: If a Contac...
A real time transactional scenario involves a customer making a purchase online and the payment being processed instantly.
Customer adds items to their online shopping cart
Customer enters payment information and confirms purchase
Payment gateway processes the transaction in real time
Customer receives confirmation of the purchase and the order is fulfilled
Agile methodology is a project management approach that emphasizes flexibility, collaboration, and incremental progress.
Focus on delivering working software in short iterations
Embrace changing requirements throughout the project
Encourage close collaboration between cross-functional teams
Regularly reflect on and improve processes through retrospectives
Examples: Scrum, Kanban, Extreme Programming (XP)
A prime number is a number greater than 1 that can only be divided by 1 and itself.
Use a loop to check if the number is divisible by any number other than 1 and itself
Start checking from 2 up to the square root of the number for efficiency
If the number is only divisible by 1 and itself, it is a prime number
Reverse a string using popular programming languages
Use built-in functions like reverse() in Python
Iterate through the string in reverse order in C++
Use StringBuilder.reverse() in Java
Mkdir command is used to create a new directory in a file system.
Used to create a new directory in a specified location
Syntax: mkdir [directory_name]
Can create multiple directories at once using mkdir -p
Example: mkdir new_directory
Basic Linux commands are essential for navigating and managing files in a Linux environment.
ls: Lists files and directories in the current directory. Example: 'ls -l' for detailed listing.
cd: Changes the current directory. Example: 'cd /home/user' to navigate to the user's home directory.
cp: Copies files or directories. Example: 'cp file.txt /backup/' to copy file.txt to the backup directory.
mv: Moves or renames f...
The query requires analyzing a specific SQL statement to determine its output based on given conditions.
Understand the structure of the query, including SELECT, FROM, WHERE clauses.
Identify the tables involved and their relationships.
Check for any JOIN operations that may affect the output.
Consider any GROUP BY or ORDER BY clauses that may alter the result set.
Example: A query like 'SELECT name FROM users WHERE ag...
Intellect Design Arena Interview Experiences
171 interviews found
Aniket Sarowar
Selected
I applied via Naukri.com and was interviewed in Nov 2024. There were 4 interview rounds.
(1 Question)
- Q1. Core java based questions, followed by springboot and then sql queries
(1 Question)
- Q1. Scenario based java and spring boot questions and more complex sql queries
(1 Question)
- Q1. Previous project related questions like difficulty faced in project, how you overcome that, day to day routine, discussed role in projects
(1 Question)
- Q1. Salary discussion and onboarding instructions
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Dec 2024. There were 4 interview rounds.
Game based Aptitude test
Multiple choice questions on OPPS and pseudo codes with 2 questions on java and 2 on sql
(3 Questions)
- Q1. Java collections
- Q2. Exception Handling
- Q3. Some tricky programs output
(2 Questions)
- Q1. Personal Inquiry
- Q2. Location confirmation
Interview Preparation Tips
Selected
I applied via LinkedIn and was interviewed in Nov 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Angular structure
- Q2. Dependency injection
(2 Questions)
- Q1. Manageral questions
- Q2. Scenario based questions
(1 Question)
- Q1. Package discussion
I applied via Campus Placement and was interviewed in Nov 2024. There were 4 interview rounds.
(2 Questions)
- Q1. We have to find patterns in games
- Q2. We have to remember patterns in games
2 questions of java and oops mainly
(2 Questions)
- Q1. Questions about java
- Q2. Questions about Networking
(2 Questions)
- Q1. Asking about Managing director name?
- Q2. About the platforms and products of company
Interview Preparation Tips
- Java
Selected
I applied via LinkedIn and was interviewed in Sep 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Spring boot end to end , Websevices, Microservices.
- Q2. Java 8 Features and some SQL queries.
(2 Questions)
- Q1. Previous Project Architecture and what you contribute in that project.
- Ans.
Designed a scalable microservices architecture for a web application, focusing on performance and reliability.
Led the design and implementation of the service-oriented architecture
Utilized Docker containers for easy deployment and scalability
Implemented load balancing and caching strategies for improved performance
Contributed to the development of RESTful APIs for seamless communication between services
- Q2. Kafka related questions and SQL based query.Program that you need to write using Java 8 Features.
Interview Preparation Tips
Working at client side experience and troubleshooting
(5 Questions)
- Q1. Payments types in Banking
- Ans.
Various payment types used in banking include cash, checks, wire transfers, credit/debit cards, and online/mobile payments.
Cash: Physical currency used for transactions.
Checks: Written orders to pay a specific amount from one account to another.
Wire Transfers: Electronic transfer of funds between banks.
Credit/Debit Cards: Plastic cards used to make payments.
Online/Mobile Payments: Transactions made through internet or ...
- Q2. Customer onboarding process
- Q3. SQLdatabase testing
- Q4. Java and Selenium automation tools specific
- Q5. Document analyticsand scripts ,Test case preparation
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed in Sep 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Difference between hashset and hashtable
- Q2. Collection vs Collections
(2 Questions)
- Q1. SQL query related questions
- Q2. Write a Java program to find the duplicate in Array
Skills evaluated in this interview
revati Surve
(2 Questions)
- Q1. Questions on stream api
- Q2. Collection related questions
(2 Questions)
- Q1. Collection related questions
- Q2. Mysql questions
(2 Questions)
- Q1. Family background
- Q2. Salary negotiations
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. What is the process for connecting Java with SQL?
- Ans.
Connecting Java with SQL involves using JDBC to execute SQL queries and manage database connections.
1. Load the JDBC driver: Class.forName('com.mysql.cj.jdbc.Driver');
2. Establish a connection: Connection conn = DriverManager.getConnection(url, user, password);
3. Create a statement: Statement stmt = conn.createStatement();
4. Execute a query: ResultSet rs = stmt.executeQuery('SELECT * FROM table_name');
5. Process the re...
- Q2. What is the process to extract each character from a string and remove duplicate characters?
- Ans.
Extracting characters from a string and removing duplicates can be achieved using various programming techniques.
1. Initialize an empty set to track unique characters.
2. Iterate through each character in the string.
3. For each character, check if it is in the set.
4. If not, add it to the set and also to a result list.
5. Finally, convert the result list back to a string or return it as needed.
Example: For input 'hello',...
- Q3. What are the different types of joins in SQL?
- Ans.
SQL joins combine rows from two or more tables based on related columns, enabling complex queries and data retrieval.
INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;
LEFT JOIN (or LEFT OUTER JOIN): Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.id;
RIGHT JOIN (or RIGHT ...
- Q4. What questions related to projects listed on your resume have you encountered, particularly focusing on the skills you have included?
Interview Preparation Tips
Skills evaluated in this interview
Chandra Harsha Ganivada
(2 Questions)
- Q1. Basic Questions, Data types, Promises
- Q2. Event loop, and other js concepts
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Intellect Design Arena Interviews By Designations
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Overall Interview Experience Rating
based on 157 interview experiences
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Intellect Design Arena Reviews and Ratings
based on 2.2k reviews
Rating in categories
|
Consultant
1.6k
salaries
|  ₹8.4 L/yr - ₹16 L/yr |
|
Associate Consultant
1.1k
salaries
| ₹4 L/yr - ₹9 L/yr |
|
Team Lead
544
salaries
| ₹12.4 L/yr - ₹21 L/yr |
|
Senior Project Leader
449
salaries
| ₹14.7 L/yr - ₹26.5 L/yr |
|
Product Engineer
355
salaries
| ₹4 L/yr - ₹8.1 L/yr |
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