HARMAN Interview Questions, Process, and Tips

Q1. With basics implementation of Devops
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Q1. Android and Yocto Build system and Scripting
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Q1. Basic salary expectation
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Q1. Explain the Design Patters you worked
Ans. 
I have worked with several design patterns including Singleton, Factory, Observer, and Decorator.
• Implemented Singleton pattern to ensure only one instance of a class is created.

• Used Factory pattern to create objects without exposing the instantiation logic to the client.

• Implemented Observer pattern to notify dependent objects of any state changes.

• Used Decorator pattern to add functionality to an object dynamically with
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Q2. Explain the Solid Design Pattern
Ans. 
Solid Design Pattern is a set of principles for writing maintainable and scalable code.
• S - Single Responsibility Principle

• O - Open/Closed Principle

• L - Liskov Substitution Principle

• I - Interface Segregation Principle

• D - Dependency Inversion Principle
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Q3. Explain the ASP.Net Core Middleware
Ans. 
ASP.Net Core Middleware is a pipeline that handles requests and responses.
• Middleware is a series of components that handle requests and responses in a pipeline

• Each middleware component can modify the request or response

• Middleware can be added to the pipeline using the Use() method

• Examples of middleware include authentication, logging, and routing
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Need to develop a employee portal using asp.net core and angular and share the code base to them.

Q1. All kind of questions
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Q1. All type of questions
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Q1. Salary discussion
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Q1. Technical interview on automotive and resume
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Q1. Technical interview on resume and automotive
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Q1. What is Android Framework?
Ans. 
Android Framework is a set of APIs and tools provided by Android to develop applications for Android devices.
• It provides a set of pre-built components for building mobile applications.

• It includes libraries for UI design, data storage, networking, and more.

• Developers can use Android Framework to create apps for smartphones, tablets, wearables, and other devices.

• Examples of Android Framework components include Activities...read more
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Q2. What do you know about MVVM ?
Ans. 
MVVM stands for Model-View-ViewModel, an architectural pattern used in software development.
• MVVM separates the user interface from the business logic and data access layers.

• Model represents the data and business logic, View represents the UI, and ViewModel acts as a mediator between the two.

• ViewModel exposes data and commands to the View, and communicates with the Model to retrieve and save data.

• MVVM is commonly used i...read more
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Q3. Explain Room Persistence Library.
Ans. 
Room is an abstraction layer over SQLite to allow for more robust database access while harnessing the full power of SQLite.
• Room is a part of Android Architecture Components.

• It provides compile-time verification of SQL queries.

• It simplifies database operations by eliminating boilerplate code.

• It supports LiveData and RxJava for reactive programming.

• It allows for easy migration of database schema.

• It provides a clean API ...read more
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Q4. Write a Builder class.
Ans. 
A Builder class is used to create objects with a large number of optional parameters.
• Builder class is a creational design pattern.

• It separates the construction of a complex object from its representation.

• It allows you to create different variations of an object while avoiding constructor pollution.

• It has a fluent interface that allows you to chain method calls together.

• Example: StringBuilder in Java.
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Q5. Kotlin - letinit, val, var, extension function, data class.
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Q6. Explain - Coroutin, RxJava
Ans. 
Coroutines and RxJava are both used for asynchronous programming in Android development.
• Coroutines are a lightweight solution for asynchronous programming that allow for easy cancellation and error handling.

• RxJava is a reactive programming library that uses Observables and Observers to handle asynchronous events.

• Both Coroutines and RxJava can be used to simplify complex asynchronous code and improve app performance.

• Cor...read more
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Q7. What are SOLID principles in OOP languages?
Ans. 
SOLID principles are a set of five design principles that help in creating maintainable and scalable software applications.
• S - Single Responsibility Principle (SRP)

• O - Open-Closed Principle (OCP)

• L - Liskov Substitution Principle (LSP)

• I - Interface Segregation Principle (ISP)

• D - Dependency Inversion Principle (DIP)
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Q1. They asked basics about java and selenium And also from QA prospects Locators
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Q2. Java basics questions and api
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