ITOrizon Inc. Interview Questions and Answers

Q1. What are the concepts of threads in Java?
Ans. 
Threads in Java allow for concurrent execution of code, enabling multitasking and improving performance.
• Threads are lightweight sub-processes within a process.

• They allow for concurrent execution of code, enabling multitasking.

• Threads share the same memory space, allowing for efficient communication and data sharing.

• Examples include creating threads using the Thread class or implementing the Runnable interface.
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Q2. Volatile keyword uses, refied keyword and its use in generics
Ans. 
Volatile keyword ensures visibility of changes to variables across threads. Reified keyword is used to access type information at runtime in generics.
• Volatile keyword is used to indicate that a variable's value will be modified by different threads.

• It ensures that changes made by one thread to a volatile variable are visible to other threads.

• Reified keyword is used in generics to access type information at runtime, whi...read more
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Q3. Multi module architecture in android pros and cons
Ans. 
Multi module architecture in Android involves breaking down an app into multiple modules for better organization and scalability.
• Pros: better organization, easier maintenance, faster build times, code reusability

• Cons: increased complexity, potential for dependency issues, learning curve for developers

• Example: Breaking down an app into separate modules for UI, networking, and data storage can make it easier to work on d
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Q4. Generics in java
Ans. 
Generics in Java allow for creating classes, interfaces, and methods that operate on types parameterized at compile time.
• Generics provide type safety by allowing the compiler to detect and prevent type errors at compile time.

• They enable code reusability by writing generic algorithms that work on different types.

• Example: List<String> names = new ArrayList<>();

• Example: public class Box<T> { private T va
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Q1. What are Agile Values? Scrum Values? Scrum Ceremonies? Story Points?
Ans. 
Agile values include individuals and interactions over processes and tools, while Scrum values include commitment, courage, focus, openness, and respect.
• Agile values prioritize individuals and interactions over processes and tools

• Scrum values include commitment, courage, focus, openness, and respect

• Scrum ceremonies include Sprint Planning, Daily Standup, Sprint Review, and Sprint Retrospective

• Story points are a unit of...read more
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Q2. As project manager what docs do you prepare? How do you contribute as a PM?
Ans. 
As a project manager, I prepare various documents such as project plans, schedules, budgets, risk assessments, and progress reports. I contribute by leading the team, managing resources, and ensuring project success.
• Prepare project plans outlining scope, objectives, deliverables, and timelines

• Create schedules to allocate tasks and track progress

• Develop budgets to manage project costs effectively

• Conduct risk assessments...read more
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Q3. Capacity? Velocity? etc Agile/Scrum-based questions (bookish) this round was taken by Rajni
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Q1. Megha took my final round and asked me questions about Agile/Scrum, Stroy Points (estimation).
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Q2. Ques on explaining Sprint Planning, Retro, Review, using Doc/Excel (screen sharing)
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Q3. Ques on Conflict and Resource Management, some scenario-based question.
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Q4. How will you make a low-performing resource a high-performing one?
Ans. 
Provide clear expectations, offer support and training, provide feedback and recognition, set goals and milestones.
• Clearly communicate expectations and goals to the resource.

• Offer support and training to help the resource improve their skills and knowledge.

• Provide regular feedback and recognition for progress made.

• Set specific goals and milestones to track improvement.

• Create a development plan with the resource to addr...read more
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Q5. Megha did not hire me because she felt I had adequate knowledge and practical experience. (insecurities) Anyway, good luck with your interview.
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Q6. What is Scrum of Scrums? What is PI planning?
Ans. 
Scrum of Scrums is a scaled agile framework where multiple Scrum teams coordinate their work. PI planning is a key event in SAFe where teams plan their work for the upcoming Program Increment.
• Scrum of Scrums involves representatives from each Scrum team meeting regularly to discuss dependencies and progress.

• PI planning is a two-day event where teams align on their objectives, dependencies, and priorities for the upcomi...read more
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Hackerrank react test on
1. MCQ- HTML,CSS, Javscript, Web fundamentals
2. Coding - React Context API code

Q1. React and Javascript basics
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Q2. React Design Pattern and Security handling
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Q3. HTML and CSS Fundamentals
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Q1. What is Docker,image vs containers,mutistage,terraformstatebackend
Ans. 
Docker is a platform for developing, shipping, and running applications using containers. Images are templates for containers, multistage builds optimize Dockerfiles, and Terraform state backend stores infrastructure state.
• Docker is a platform that allows developers to package applications and their dependencies into containers for easy deployment and scalability.

• Images are read-only templates used to create containers...read more
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Q2. What is diff cloud formation vs terraform, release management like blue green etc.
Ans. 
CloudFormation and Terraform are both infrastructure as code tools, while blue-green release management is a deployment strategy.
• CloudFormation is a service provided by AWS for creating and managing AWS resources using templates written in JSON or YAML.

• Terraform is an open-source tool by HashiCorp that allows you to define and provision infrastructure using a declarative configuration language.

• Blue-green deployment is ...read more
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