Iris Software Interview Questions and Answers

Q1. Basic Questions on SQL and SSIS
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Q1. Advanced question on SQL and SSIS
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Q1. Salary negotiation
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Q1. Tell me about your self
Ans. 
I am a dedicated and experienced Onboarding Lead with a passion for helping new employees integrate seamlessly into the company.
• Over 5 years of experience in onboarding new hires

• Strong communication and organizational skills

• Proven track record of developing effective onboarding programs

• Ability to collaborate with various departments to ensure a smooth onboarding process
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Q2. Tell about your previous experience
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I have over 5 years of experience in onboarding new employees, creating training programs, and ensuring smooth transitions.
• Developed onboarding processes and materials for new hires

• Led training sessions for new employees on company policies and procedures

• Worked closely with HR and hiring managers to coordinate onboarding schedules

• Implemented feedback mechanisms to continuously improve the onboarding experience
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Q3. Why you want to switch
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Seeking new challenges and growth opportunities in a different role.
• Looking for a new challenge to expand my skill set

• Interested in taking on more responsibility

• Seeking growth opportunities in a different role
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Q1. Java program collection
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Q2. Project and domain related questions
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Q3. Explain framework
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A framework is a structured platform that provides foundational support for developing software applications.
• Frameworks provide reusable code and components, reducing development time.

• Examples include web frameworks like Django for Python and Ruby on Rails for Ruby.

• They often enforce design patterns, promoting best practices in software development.

• Frameworks can be specific to certain domains, like TensorFlow for mach...read more
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Q4. What are Hooks in the context of TestNG?
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Hooks in TestNG allow developers to execute code at specific points in the test lifecycle.
• Hooks are methods annotated with @Before, @After, @BeforeClass, @AfterClass, etc.

• They help in setting up preconditions or cleaning up after tests.

• Example: @BeforeMethod can be used to initialize WebDriver before each test method.

• Example: @AfterClass can be used to close database connections after all tests in a class.
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Q5. What is Agile methodology
Ans. 
Agile methodology is an iterative approach to software development that emphasizes flexibility, collaboration, and customer feedback.
• Focuses on delivering small, incremental updates to software, allowing for quick adjustments based on user feedback.

• Utilizes cross-functional teams that collaborate closely, often through daily stand-up meetings to discuss progress and challenges.

• Emphasizes customer involvement throughout...read more
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Q6. How to handle collection
Ans. 
Handling collections involves managing groups of data efficiently using appropriate data structures and algorithms.
• Choose the right data structure: Use arrays for fixed-size collections, lists for dynamic collections, and sets for unique items.

• Utilize built-in methods: Leverage methods like map, filter, and reduce for functional programming approaches in collections.

• Consider performance: Analyze time and space complexi...read more
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Q7. How to handle try catch
Ans. 
Using try-catch blocks effectively helps manage exceptions and maintain application stability.
• Use try-catch to handle exceptions gracefully and avoid application crashes.

• Always catch specific exceptions before general ones to avoid masking errors.

• Log exceptions in the catch block for debugging purposes. Example: `console.error(e);`

• Consider using finally block for cleanup actions, like closing resources.

• Avoid using empt...read more
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Questions about java concurrency framework, java 8 and 11 features, Code chef coding problem

Q1. Discussion about current project architecture
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Q2. Microservices and cloud foundry
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Q1. Tell me about framework which your worked?
Ans. 
I have extensive experience with the Spring Framework, which is widely used for building enterprise-level Java applications.
• Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications.

• It supports dependency injection, which promotes loose coupling and easier testing.

• I have utilized Spring Boot for rapid application development, allowing me to create stand-...read more
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Q2. Tell some maven goal,How we execute Test cases parally
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Maven goals help manage project builds; parallel test execution improves efficiency in testing.
• Maven goals include 'clean', 'compile', 'test', 'package', and 'install'.

• To execute tests in parallel, use the Surefire plugin with the configuration: <parallel>methods</parallel>.

• Example command: mvn test -Dtest=MyTest#testMethod -T 1C (1 thread per core).

• You can also specify parallel execution in the pom.xml: &l...read more
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Q3. What is git revert
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Git revert is a command that creates a new commit to undo changes made by a previous commit.
• Reverts the changes made by a specific commit without altering the commit history.

• Syntax: `git revert <commit_hash>`.

• Creates a new commit that negates the changes of the specified commit.

• Useful for undoing changes in a collaborative environment while preserving history.

• Example: If commit A introduced a bug, running `git re...read more
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Q4. What is set,Map,List
Ans. 
Sets, Maps, and Lists are fundamental data structures in programming, each serving unique purposes for data organization.
• Set: A collection of unique elements. Example: Set<Integer> numbers = new HashSet<>(Arrays.asList(1, 2, 3));

• Map: A collection of key-value pairs. Example: Map<String, Integer> ageMap = new HashMap<>(); ageMap.put('Alice', 30);

• List: An ordered collection that allows duplicates....read more
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Q1. What is Databricks, and how does it differ from Azure Data Factory?
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Databricks is a unified analytics platform for big data and machine learning, while Azure Data Factory is a cloud-based data integration service.
• Databricks is an integrated workspace for data engineering, data science, and machine learning tasks.

• Azure Data Factory is a cloud-based data integration service that allows you to create, schedule, and manage data pipelines.

• Databricks provides collaborative notebooks for data...read more
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