Bolt IoT Senior Software Engineer 1 Interview Questions and Answers

Q1. SpringBootApplication annotation
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Q2. Configure Multiple Datasource
Ans. 
Configuring multiple datasources involves defining multiple connection properties and managing them in the application.
• Define multiple datasource configurations in application.properties or application.yml file

• Use @Primary annotation to specify the primary datasource

• Use @Qualifier annotation to specify which datasource to inject in a specific component

• Configure datasource beans in a configuration class
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Q1. Basic Java questions
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Q1. Interviewer starts from basic core questions like encapsulation, abstraction, auto boxing, string, muutable. It was around 1 hour but they scheduled only half hour discussion.
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Write some basic codes

Q1. What in . Net Core
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ASP.NET Core is a cross-platform, high-performance framework for building modern, cloud-based, internet-connected applications.
• ASP.NET Core is open-source and developed by Microsoft.

• It supports cross-platform development on Windows, macOS, and Linux.

• It provides improved performance and scalability compared to previous versions of ASP.NET.

• ASP.NET Core includes a modular and lightweight architecture.

• It supports Docker co...read more
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Q2. Oops implementation with example
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Oops implementation is a programming concept that allows for error handling and recovery.
• Oops implementation involves using try-catch blocks to handle exceptions in code.

• Example: try { // code that may throw an exception } catch (Exception e) { // handle the exception }

• Oops implementation helps in making code more robust and reliable by handling unexpected errors gracefully.
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Q1. Regarding skill set like Java Core, project related questions, regarding framework development like Nodejs, Cypress, Playwright with Mocha framework, Rest assured.
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Q1. Java, basics of coding
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Q1. Java , spring boot micro services
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Amcat, SQL, spring boot

Java coding

Q1. Basics of java and all things in resume
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Q1. In depth of java and scenario based questions
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Q1. What are your salary expectations?
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Q2. Why are you looking for a change?
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Q3. Where do you see yourself in 5 years?
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Q4. Tell me about yourself.
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Q1. Current CTC? Expected CTC?
Ans. 
Current CTC is confidential. Expected CTC is based on market standards and my experience.
• Current CTC is confidential information as per company policy.

• Expected CTC is based on market standards and my experience in the industry.

• I am open to discussing compensation during the negotiation phase.
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Q2. Years of experience in relevant role
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Q1. Performance tuning
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Q2. Collections in Oracle
Ans. 
Collections in Oracle are data structures used to store and manipulate groups of data.
• Collections can be nested tables, varrays, or associative arrays.

• Nested tables are like one-dimensional arrays, varrays are like arrays with a maximum size, and associative arrays are like dictionaries.

• Collections can be used to pass multiple values as a single parameter to a stored procedure or function.

• Example: DECLARE TYPE emp_list...read more
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