Orion Innovation Software Developer Interview Questions and Answers

Q1. Basic Java Question
Add your answer
Q2. Spring Boot related questions
Add your answer

Q1. Design a rest API and code it.
Ans. 
Design and code a REST API for a software developer interview.
• Define the endpoints and HTTP methods for the API (e.g. GET /users, POST /users)

• Implement authentication and authorization mechanisms (e.g. JWT tokens)

• Use proper status codes for responses (e.g. 200 OK, 401 Unauthorized)

• Include error handling and validation for input data

• Document the API using tools like Swagger or OpenAPI
Answered by AI
Add your answer
Q2. Questions related to JPA HIBERNATE SQL
Add your answer

Q1. Discussion related to Last company Project and architecture level questions
Add your answer
Q2. Write code to calculate frequency of a word using Stream API and lambda expressions
Ans. 
Calculate word frequency using Stream API and lambda expressions
• Use Stream API to convert array of strings to stream

• Use Collectors.groupingBy to group words by their frequency

• Use Collectors.counting to count the occurrences of each word
Answered by AI
Add your answer

Q1. Basic of java to advanced
Add your answer
Q2. Array related questions
Add your answer

Q1. Architecture related
Add your answer
Q2. Management roles
Add your answer

Normal coding round with simple oa complexity

Q1. Discussion on projects
Add your answer
Q2. Culture fit check
Add your answer

DSA questions and programming concepts

Q1. Reverse string and optimize it
Ans. 
Reverse array of strings efficiently
• Use two pointers approach to swap characters from start and end of each string

• Optimize by using in-place reversal instead of creating new strings

• Consider edge cases like empty strings or strings with only one character
Answered by AI
Add your answer
Q2. Reverse binary tree
Add your answer

Q1. Salary expectations
Add your answer
Q2. Joining location
Add your answer

Q1. SOLID principles
Add your answer
Q2. Microservice Architecture and Kafka
Add your answer

Q1. Questions on spring boot and question around spring annotations and its benifits
Add your answer
Q2. Questions on Java 8 - 21 versions such as virtual threads and stream API
Add your answer
Q3. Question on Databases fundamentals.
Add your answer