Bounteous x Accolite Interview Questions, Process, and Tips

Q1. What is the Look and Say sequence, and how can a program be written to generate the next number in this sequence?
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Q2. What is the SQL query to perform a join on two tables and calculate the aggregate sum using the product ID?
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Q3. What is the process for writing a Bash script to read and parse a CSV file and print the last character of each line?
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Platform: Coderbyte Test. The process is similar to the technical round, except that in the last bash script question, instead of printing the last character, print the third last character of each line.

Q1. Can you tell me about yourself?
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Q2. What are the principles of Continuous Integration and Continuous Deployment (CI/CD)?
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Q3. What version control tools do you use, and can you explain how you utilize them?
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Q4. What is the SQL query to join two tables and use aggregate functions such as SUM and AVG with GROUP BY?
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Q5. What is the Bash command to suppress all output and errors?
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Q1. Can you tell me about yourself and your family?
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Q2. Are you comfortable with the possibility of relocating for the position?
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Q3. Would it be acceptable to work shift timings from 6:30 AM to 3:30 PM considering that the client is based in New Zealand?
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10 Macq's and 1 problem solving question.

Q1. Self Introduction
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Q2. Last project details
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Q3. Print all duplicate elements in an Array
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Q4. Java Exception Handling and Spring exception handling.
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Q5. Spring IOC and types.
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Q6. Circuit Breaker and its states
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Q7. Design Pattern
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Q8. Get the third highest salary from employee table
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Q9. Valid parentheses from leetCode
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Q1. Self intro, Project based questions.
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Q2. Optional Class, Stream.map() vs Stream.flatMap()
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Q3. Lambda, reduce()
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Q4. Sync Api vs Async Api, Sync Microservice and Async microservice example
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Q5. Write a REST api to fetch user details using userId.
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Q6. SOLID Principle and best coding practices
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Q7. Write a global exception handler class to handle UserNotFound exception.
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Q8. Advantages of IOC in spring and DI
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Q1. Self Intro and salary negotiation.
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Q1. How did you implement multithreading in your project?
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Q2. What is the concept of lock isolation in Spring Framework?
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Q3. What is the purpose of the @Primary and @Qualifier annotations in Spring Framework?
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Q4. How do you implement security measures for your microservices?
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Q5. Handling distributed transactions in microservices using the Saga pattern?
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Q1. Given an array of non-negative integers.Find the length of the longest subsequence such that elements in the subsequence are contiguous integers. The consecutive numbers can be in any order. Example n=7 nu...read more
Ans. 
Find the length of the longest subsequence of contiguous integers in an array.
• Sort the array

• Iterate through the array and check for consecutive integers

• Keep track of the longest subsequence found
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Q2. Get list of pincodes from these objects Employee{ id Long, name String, Addresses : List
} Addresses{ houseNo long, pindcode long, state String, country String, } Ans. Use flatMap to flatten and then use m...read more
Ans. 
Use flatMap and map to extract list of pincodes from Employee objects
• Use flatMap to flatten the list of Addresses in each Employee object

• Use map to iterate over the flattened list and extract the pincodes

• Example: employeeList.stream().flatMap(emp -> emp.getAddresses().stream()).map(address -> address.getPincode()).collect(Collectors.toList())
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Q3. What is Database Pooling, Hikari and its configurations. Java 8 to current enchancements and current java version Factory and Builder design patterns to explain and code Project expalantion and details, Cr...read more
Ans. 
Database pooling is a technique used to manage a pool of database connections for efficient resource utilization. HikariCP is a popular database connection pooling library in Java.
• HikariCP is a high-performance database connection pooling library for Java applications.

• It is known for its low latency and high throughput.

• Configurations for HikariCP include settings such as maximum pool size, connection timeout, and idle ...read more
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