Webkul Software Software Analyst Interview Questions and Answers

Q1. Java coding and development
Add your answer
Q2. Db and development skills
Add your answer

Difficulty level is medium

Q1. Medium about java and database
Add your answer

Q1. Medium level - about project
Add your answer

Q1. Why strings are immutable
Ans. 
Strings are immutable to ensure data integrity and security by preventing accidental or intentional modification.
• Immutable strings prevent accidental changes to data

• Enhances security by preventing data tampering

• Allows for efficient memory management
Answered by AI
Add your answer
Q2. Count the number of repeated words from the given string
Ans. 
Count the number of repeated words in a given string
• Split the string into words using a delimiter like space

• Create a hashmap to store word frequencies

• Iterate through the words and update the hashmap accordingly

• Count the number of words with frequency greater than 1
Answered by AI
Add your answer

Q1. What is difference between controller and rest controller
Ans. 
Controller is a general term for a component that handles user requests, while a REST controller specifically handles RESTful requests.
• Controller is a general term for a component that handles user requests in a web application

• REST controller specifically handles RESTful requests, following the principles of REST architecture

• REST controller typically returns data in JSON or XML format, while a regular controller may re
Answered by AI
Add your answer
Q2. Coding question to print highest salary of a employee
Ans. 
Print highest salary of an employee using coding
• Create an array of employee salaries

• Sort the array in descending order

• Print the first element of the sorted array as the highest salary
Answered by AI
Add your answer
Q3. Java 8 features
Add your answer
Q4. What is jwt token
Ans. 
JWT token is a JSON web token used for securely transmitting information between parties as a compact and self-contained way.
• JWT stands for JSON Web Token

• It consists of three parts: header, payload, and signature

• It is commonly used for authentication and information exchange in web development
Answered by AI
Add your answer
Q5. Microservice how to interact with other microservice
Ans. 
Microservices interact with each other through APIs, messaging queues, or event-driven architecture.
• Use RESTful APIs for synchronous communication between microservices

• Implement messaging queues like RabbitMQ or Kafka for asynchronous communication

• Leverage event-driven architecture with tools like Apache Kafka or AWS SNS/SQS

• Consider using service mesh like Istio for managing communication between microservices
Answered by AI
Add your answer

Q1. What is abstract class?
Ans. 
Abstract class is a class that cannot be instantiated and may contain abstract methods.
• Cannot be instantiated directly

• May contain abstract methods that must be implemented by subclasses

• Can have both abstract and non-abstract methods

• Used for creating a template for other classes to inherit from
Answered by AI
Add your answer
Q2. What is sub query and Like operator?
Ans. 
A subquery is a query nested within another query, and the LIKE operator is used in SQL to search for a specified pattern in a column.
• A subquery is enclosed in parentheses and executed first before the main query.

• The result of a subquery can be used in comparison with the main query's result.

• The LIKE operator is used with the WHERE clause to search for a specified pattern in a column.

• The LIKE operator allows for wildca...read more
Answered by AI
Add your answer

Q1. Tell Me about Yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills and ability to work in a team

• Completed multiple projects including a web-based inventory management system
Answered by AI
Add your answer
Q2. Question From OOPS Consept
Add your answer

Q1. Ask About Web Form
Add your answer
Q2. SQL Question like Relation
Add your answer