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Vanenburg Solution Architect Interview Questions and Answers
6 Interview questions
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 ap...
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.
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, wher...
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
Vanenburg Solution Architect Interview Experiences
1 interview found
I applied via Recruitment Consulltant and was interviewed in Nov 2023. There was 1 interview round.
(6 Questions)
- Q1. Find the second largest number in an given array?
- Ans.
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.
- Q2. Find the frequency of given character in the given string?
- Ans.
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
- Q3. What is the spring boot and java version used in your project?
- Ans.
We are using Spring Boot 2.5.3 and Java 11 in our project.
Spring Boot version: 2.5.3
Java version: 11
- Q4. What is the use of transactional annotation?
- Ans.
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...
- Q5. Design employee database schema
- Ans.
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
- Q6. What is factory design patterns and give one example for it
- Ans.
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...
Skills evaluated in this interview
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I applied via Naukri.com and was interviewed before Feb 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. 2 technical rounds, 1 psychometric test, then Manager and HR rounds, basic question on java 7 and java 8,interface and class, DS questions like linkedList reverse and adding nodes to linkedList, Hashmap, ...
Interview Preparation Tips
Selected
3 DSA questions on array and strings 1 easy, 2 medium level
Create django backend project for book store
(1 Question)
- Q1. Behaviour and Situations questions
Sql mcq questions with medium difficulty
(1 Question)
- Q1. What is inheritance? What are advantages of oops? What's indexing in sql?
- Ans.
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
Advantages of OOPs include reusability, modularity, and flexibility in code design.
Indexing in SQL is a way to optimize database queries by creating indexes on columns to improve search performance.
(1 Question)
- Q1. What was your previous job role? What methodologies did you follow while working?
- Ans.
I was a Software Developer at XYZ Company. I followed Agile and Scrum methodologies.
Worked as a Software Developer at XYZ Company
Followed Agile and Scrum methodologies for project management
Participated in daily stand-up meetings, sprint planning, and retrospectives
(1 Question)
- Q1. What are you leaving your current organization?
Selected
I applied via Naukri.com and was interviewed in May 2024. There were 3 interview rounds.
Basic Js concepts like debouncing,event loop, and other output-based questions.
(1 Question)
- Q1. Js concepts in depth
(2 Questions)
- Q1. Hiring manager round, questions around my project
- Q2. Optimization techniques
- Ans.
Optimization techniques are methods used to improve the efficiency and performance of software applications.
Use algorithms like greedy, dynamic programming, or divide and conquer to optimize code
Minimize time complexity by avoiding nested loops and unnecessary iterations
Utilize data structures like hash tables, arrays, and trees for efficient storage and retrieval
Profile code to identify bottlenecks and optimize critic...
Interview Preparation Tips
Prasad Ashok Ajmire
I applied via Company Website and was interviewed in Jan 2024. There was 1 interview round.
(1 Question)
- Q1. List tuple python memory management Codig question RestAPIs HTTP methods State Management UI
(1 Question)
- Q1. What is VTable and VPtr
- Ans.
VTable is a table of function pointers used in object-oriented programming to implement polymorphism. VPtr is a pointer to the VTable.
VTable is used to store pointers to virtual functions in a class.
VPtr points to the VTable of an object to enable dynamic dispatch of virtual functions.
VTable and VPtr are used in C++ to implement polymorphism and dynamic binding.
Skills evaluated in this interview
Selected
I applied via Naukri.com
(1 Question)
- Q1. Technical questions that includes coding as well
(1 Question)
- Q1. Technical and Managerial discussion
(1 Question)
- Q1. Salary discussion
Software Developer Interview Questions & Answers
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Anonymous
posted on 20 Nov 2024
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. Exception handling, spring boot
- Q2. Oops concepts, java streams
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
(1 Question)
- Q1. SQL Questions - Constraints- how to optimize long SQL query without changing the output
- Ans.
Optimize long SQL queries by refining structure, using indexes, and minimizing data retrieval.
Use indexes on columns frequently used in WHERE clauses to speed up data retrieval. Example: CREATE INDEX idx_column ON table_name(column);
Avoid SELECT *, specify only the columns needed to reduce data transfer. Example: SELECT column1, column2 FROM table_name;
Utilize JOINs efficiently instead of subqueries when possible. Exam...
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