Stellantis Software Engineer Interview Questions and Answers

Two leetcode medium questions

Q1. Brief about yourself ,sql
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Q2. Explain plan,table view and ddl method
Ans. 
Plan, table view, and DDL method are related to database management.
• Plan: Shows the execution plan of a SQL query, including the steps taken by the database to retrieve data.

• Table view: Displays the structure and data of a table in a database.

• DDL method: Stands for Data Definition Language, used to define and modify the structure of database objects.
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Basic Arithemetic , Algebra , Geometry , Percentages , Ratios , Number Series

Linked list and tree based questions

Q1. Explain about activity life cycle
Ans. 
Activity life cycle in Android refers to the sequence of states an activity goes through from creation to destruction.
• Activity life cycle consists of several states such as onCreate, onStart, onResume, onPause, onStop, onDestroy, etc.

• onCreate() is called when the activity is first created, onStart() is called when the activity becomes visible to the user, onResume() is called when the activity starts interacting with t...read more
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Q2. What are the components of Android
Ans. 
Components of Android include activities, services, content providers, and broadcast receivers.
• Activities: User interface components that represent a single screen with a user interface.

• Services: Background tasks that run independently of the UI.

• Content Providers: Manage a shared set of app data.

• Broadcast Receivers: Respond to system-wide broadcast announcements.
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Q1. What if Flow in kotlin and why we use it, keywords of kotlin
Ans. 
Kotlin Flow is a reactive stream library in Kotlin for handling asynchronous data streams.
• Kotlin Flow is used for handling asynchronous data streams in a sequential and non-blocking manner.

• It provides a way to emit multiple values asynchronously and handle backpressure.

• Keywords in Kotlin include suspend, flow, collect, emit, filter, map, etc.
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Q2. Explain about implementation patterns present in Android
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Implementation patterns in Android are design patterns that help in structuring and organizing code for better maintainability and scalability.
• MVC (Model-View-Controller) pattern separates the application into three main components to improve code organization and reusability.

• MVVM (Model-View-ViewModel) pattern separates the UI logic from the business logic, making it easier to test and maintain.

• Singleton pattern ensur...read more
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Some MCQ and coding questions were asked.

Linked list, dfs , bfs, array were asked

Q1. Repeated hr questions were asked.
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