HCLTech Senior Software Engineer Interview Questions, Process, and Tips

Q1. Basic Java Question
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Q2. Spring Boot Annotations
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Q3. Frequency of a number in an array
Ans. 
Calculate the frequency of a specific number in an array of strings.
• Iterate through the array and count occurrences of the target number.

• Use a hashmap to store the count of each number in the array.

• Return the count of the target number at the end.
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Q1. Discuss about the tools and tech stacks used in last project?
Ans. I have worked on java technologies and its relevant tools like eclipse, putty, winscp. Also used spring framework and spring boot for building applications.
Answered by Harshit Sadhotra.
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Q2. Issues faced in troubleshooting your applications and how you overcome it.
Ans. 
Troubleshooting application issues requires thorough analysis, communication, and collaboration.
• Identifying the root cause of the issue by analyzing logs, code, and system configurations.

• Communicating effectively with team members to gather information and brainstorm solutions.

• Collaborating with other teams such as DevOps or QA to investigate potential infrastructure or testing issues.

• Utilizing debugging tools and tech...read more
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Q3. Major differences between spring and spring boot
Ans. 
Spring is a framework for building Java applications, while Spring Boot is an extension that simplifies the setup and development process.
• Spring is a comprehensive framework that provides various modules for different functionalities like Spring MVC, Spring Security, etc.

• Spring Boot is an opinionated framework that simplifies the setup and development process by providing defaults for configuration.

• Spring Boot includes...read more
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Q4. Major features used in JAVA 8
Ans. 
Major features in JAVA 8 include lambda expressions, functional interfaces, streams, default methods, and method references.
• Lambda expressions allow for more concise code and enable functional programming.

• Functional interfaces are interfaces with a single abstract method, used for lambda expressions.

• Streams provide a way to work with sequences of elements and support parallel processing.

• Default methods allow interfaces...read more
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Q1. OOPS Concepts, unit testing
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Q2. Core bluetooth and location framework
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Q1. Agile methodology, ways of working
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Q1. Core python, dbisql, devops
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Q1. Lambda, dbisql, datatypes
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The first round will be a hacker rank test with 2 data structure questions and will be given 60min

Q1. Core java question
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Q2. Spring , spring boot
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Q3. Angular basics questions
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Q1. Salary finalisation
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Q2. Location preference
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Q1. What is bug life cycle
Ans. 
Bug life cycle is the process of identifying, reporting, fixing, retesting, and closing bugs in software development.
• Bug identification: Bug is identified by testers during testing.

• Bug reporting: Testers report the bug to developers with detailed information.

• Bug fixing: Developers analyze and fix the bug.

• Bug retesting: Testers verify if the bug is fixed.

• Bug closing: Once the bug is confirmed fixed, it is closed.
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Q2. What is test life cycle
Ans. 
Test life cycle is the process of planning, designing, executing, and evaluating tests throughout the software development process.
• Test planning: Define test objectives, scope, and resources.

• Test design: Create test cases based on requirements and design documents.

• Test execution: Run test cases, report defects, and retest.

• Test evaluation: Analyze test results, provide feedback, and improve testing process.

• Examples: Uni...read more
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