Altair Engineering Full Stack Software Developer Interview Questions and Answers

Q1. How pagination work in jpa
Ans. 
Pagination in JPA allows for retrieving a subset of results from a query by specifying a limit and offset.
• Use the setFirstResult() method to specify the starting index of the results to retrieve

• Use the setMaxResults() method to specify the maximum number of results to retrieve

• Combine setFirstResult() and setMaxResults() to implement pagination in JPA queries
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Q2. How to create restful api
Ans. 
To create a RESTful API, define endpoints, use HTTP methods, handle requests and responses, and follow REST principles.
• Define endpoints for different resources (e.g. /users, /products)

• Use HTTP methods like GET, POST, PUT, DELETE for CRUD operations

• Handle requests and responses in JSON format

• Follow REST principles like statelessness, uniform interface, and client-server architecture
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Q1. How to create restfull api
Ans. 
To create a RESTful API, define endpoints, use HTTP methods, handle requests and responses, and follow REST principles.
• Define endpoints for different resources (e.g. /users, /products)

• Use HTTP methods (GET, POST, PUT, DELETE) for CRUD operations

• Handle requests and responses in JSON format

• Follow REST principles like statelessness, uniform interface, and client-server architecture
Answered by AI
Add your answer
Q2. How to do pagination in jpa
Ans. 
Pagination in JPA allows fetching a subset of results from a query.
• Use the setFirstResult() method to set the starting index of the results to retrieve

• Use the setMaxResults() method to set the maximum number of results to retrieve

• Combine setFirstResult() and setMaxResults() to implement pagination
Answered by AI
Add your answer

Q1. How to create restful api
Ans. 
To create a RESTful API, you need to define endpoints, use HTTP methods, handle requests and responses, and follow REST principles.
• Define endpoints for different resources (e.g. /users, /products)

• Use HTTP methods like GET, POST, PUT, DELETE for CRUD operations

• Handle requests and responses in JSON format

• Follow REST principles like statelessness, uniform interface, and client-server architecture
Answered by AI
Add your answer
Q2. How pagination work in jpa
Ans. 
Pagination in JPA allows for retrieving a subset of results from a query.
• Use the setFirstResult() method to specify the starting index of the results to retrieve

• Use the setMaxResults() method to specify the maximum number of results to retrieve

• Combine setFirstResult() and setMaxResults() to implement pagination in JPA queries
Answered by AI
Add your answer

The aptitude round consists of quantitative, technical questions mainly from java ,oops, ds concepts , some from os . Negative marking was there with 0.25 mark deduction.

It consists of three coding questions and that was pretty much easy . 1st qn is easy and so is the 2nd question . Third question is kind of medium level (but not so tough ) . It was a question related to doubly linked list . 1st and 2nd were array and string questions. We had this in pen and paper format , not in ids .

Q1. This is a technical hr one on one interview. It only depends based on your resume and in depth technical questions related to that. Hr would be well versed in those fields. There would be 3-4 Hrs and any o...read more
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Q1. It is a in depth technical hr round . There will be panel of 4 technical hr . They will ask questions based on your resume and according to their knowledge in that field. Each will have a storng knowledge ...read more
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Q1. What is a closure
Ans. 
A closure is a function that has access to its own scope, as well as the outer scope in which it was defined.
• A closure allows a function to access variables from an outer function even after the outer function has finished executing.

• Closures are commonly used in event handlers, callbacks, and for data privacy.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { console.log(
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Easy Aptitude questions that covers all sections.

It was a pen and paper based coding test where we have to write 2 codes in 1hr. 1st one is easy and second one is medium level.

Q1. Technical Interview with 3 panel members which lasted for 1hr.
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Q2. DSA, DBMS concepts and a SQL query, 2 Puzzles
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Q1. This is basically a Technical+Hr round(final round) where all the 6 panel members will test you with different questions. It lasted for more than 1hr 20 mins.
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Q2. A coding question, DBMS questions, puzzles and mainly on Resume.
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