PowerSchool India Interview Questions, Process, and Tips

Q1. Tell me about your self?
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Q2. Tell me about projects your working on?
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Q3. Which methods of lifecycle are called when we are switching from activity A to B.
Ans. 
onPause() and onStop() methods are called when switching from activity A to B.
• onPause() method is called when the activity is partially visible but still interactive.

• onStop() method is called when the activity is no longer visible to the user.
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Q4. How many types of services available in android?
Ans. 
There are four main types of services available in Android: Foreground Service, Background Service, Bound Service, and Intent Service.
• Foreground Service: Runs in the foreground with a visible notification. Example: Music player.

• Background Service: Runs in the background without a user interface. Example: Location tracking service.

• Bound Service: Allows other components to bind to it and interact with it. Example: Music ...read more
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Q5. Services lifecyclet?
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Q6. How many jetpack components you have used so far?
Ans. 
I have used three jetpack components in my previous projects.
• Used jetpack component A for implementing navigation in Android app

• Utilized jetpack component B for handling lifecycle events in ViewModel

• Integrated jetpack component C for data persistence using Room database
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Q7. What is work manager and what are benefits of it?
Ans. 
A work manager is a tool used in software development to manage and schedule background tasks efficiently.
• Manages background tasks in a way that optimizes resources and improves performance

• Provides features like task prioritization, task chaining, and task cancellation

• Ensures tasks are executed in a timely manner and handles task failures gracefully

• Examples include Android WorkManager for managing background tasks in A
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Q8. Explain Android architecture Component?
Ans. 
Android architecture components are a collection of libraries that help you design robust, testable, and maintainable apps.
• Android architecture components include LiveData, ViewModel, Room, and WorkManager.

• LiveData is an observable data holder class that is lifecycle-aware.

• ViewModel provides data to the UI and survives configuration changes.

• Room is a SQLite object mapping library that provides an abstraction layer over...read more
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Q9. Explain lifecycle component?
Ans. 
Lifecycle component refers to the various stages a software component goes through from creation to deletion.
• Lifecycle component includes creation, initialization, execution, and destruction stages.

• It involves managing resources, handling events, and maintaining state throughout the component's lifespan.

• Examples include Android Activity lifecycle, React component lifecycle, and Angular component lifecycle.
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Q10. In what conditions view model will get destroyed?
Ans. 
View model will get destroyed when the associated activity or fragment is destroyed.
• View model will get destroyed when the activity or fragment is finished or destroyed.

• If the activity is recreated due to configuration changes like screen rotation, the view model will be recreated as well.

• View model can also be explicitly cleared by calling ViewModel.clear() method.
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Q11. Repository patterns.
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Q12. What is clean architecture?
Ans. 
Clean architecture is a software design approach that separates concerns and enforces a clear separation of layers.
• Clean architecture focuses on separating business logic from implementation details.

• It promotes testability, maintainability, and scalability of the software.

• Common components in clean architecture include entities, use cases, and interfaces.

• Examples of clean architecture patterns include Hexagonal Archite
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Q13. What branching strategies you used?
Ans. 
I have used GitFlow and feature branch strategies in previous projects.
• Utilized GitFlow branching model for managing feature development and releases

• Created feature branches for each new feature or bug fix

• Merged feature branches back into development branch after code review and testing

• Used tags to mark releases in the master branch
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Q1. Problem solving ?
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Q2. You need to build the whether app gave me few api endpoint and told me to write a code for it?
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Q1. Asked about few personal and personal experience so far?
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Q1. Questions about personal and professional experience?
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Q1. Disucssed salary.
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Q1. Related with Manual testing
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Q2. Related with testNg and automation
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Q1. Salary discussion and company policy
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It was a basic aptitude round testing your basic skills and knowledge

Q1. Find the error in the codes
Ans. 
Identify the error in the given codes.
• Check for syntax errors

• Look for logical errors

• Ensure proper variable declaration and usage

• Verify if all necessary libraries are imported

• Debug the code step by step
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Q2. Write a given set of queries based on the question
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