Photon Interactive 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. How does consumer, producer work in kafka
Ans. 
Consumers read data from topics, while producers write data to topics in Kafka.
• Consumers subscribe to topics to read messages from them

• Producers publish messages to topics for consumers to read

• Consumers can be part of a consumer group to scale out consumption

• Producers can specify key for messages to control partitioning
Answered by AI
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

Asked some basic level questions

Asked little bit hard questions

Asked depth questions and wrote some sample programs

Q1. Wrote some sample program
Add your answer

Q1. Salary discussion
Add your answer

Q1. Basic core Java question.
Add your answer

It was good and nice to talk

Q1. Introduction about yourself
Add your answer
Q2. Oops concept question
Add your answer

Q1. About youself job profile
Add your answer
Q2. Salary negotations
Add your answer

Hackerrank coding round.

Q1. Questions and coding testing your OOPS knowledge
Add your answer

Q1. Every tech stack, SQL, OOPS, JAVA
Add your answer