HARMAN Interview Questions, Process, and Tips

Q1. Question related to C++11 fetaures and STL libraries
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Q2. Doubly linked list complete implementation
Ans. 
Doubly linked list is a data structure with nodes having pointers to both previous and next nodes.
• Each node has a 'prev' and 'next' pointer

• Insertion and deletion can be done at any position

• Traversal can be done in both directions
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Q3. Oops concepts and use in real time project
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Oops concepts are fundamental to software engineering and are used in real-time projects for better code organization and maintenance.
• Encapsulation: Hiding implementation details and exposing only necessary information.

• Inheritance: Reusing code and creating a hierarchy of classes.

• Polymorphism: Using a single interface to represent multiple types of objects.

• Abstraction: Focusing on essential features and ignoring implem...read more
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Q4. Linux basic commands usage
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Linux basic commands are essential for any software engineer. They include commands for file management, system monitoring, and networking.
• File management commands: ls, cd, mkdir, rm, cp, mv

• System monitoring commands: top, ps, df, free, uptime

• Networking commands: ping, traceroute, netstat, ifconfig

• Other useful commands: grep, tar, ssh, chmod, chown

• It's important to understand the syntax and options for each command.

• Exa...read more
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Q5. Any Design patterns explaination if used in previous project
Ans. 
Yes, I have used the Factory and Singleton design patterns in my previous project.
• I used the Factory pattern to create objects of different classes based on a common interface.

• This helped in reducing the coupling between the client code and the implementation classes.

• I used the Singleton pattern to ensure that only one instance of a class is created and used throughout the application.

• This helped in reducing the memory...read more
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Everything was fine. The Hr was nice and the manager also.

Q1. What is your experience from your previous work?
Ans. 
I have 5 years of experience working as a Test Engineer in the software industry.
• Developed and executed test cases to ensure software quality

• Performed regression testing to identify bugs and issues

• Collaborated with developers to resolve defects and improve product performance
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Q2. Mx experience from my previous work
Ans. 
I have 5 years of experience working as a Test Engineer in the software industry.
• Developed and executed test cases to ensure software quality

• Performed regression testing to identify bugs and issues

• Collaborated with developers to resolve issues and improve product quality
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Q1. Explain activity lifecycle
Ans. 
Activity lifecycle refers to the series of states an activity goes through during its lifetime in an Android app.
• onCreate() - activity is created

• onStart() - activity becomes visible to the user

• onResume() - activity is interacting with the user

• onPause() - activity is partially visible but still running

• onStop() - activity is no longer visible to the user

• onDestroy() - activity is being destroyed
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Q2. MVVM Architecture explain
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MVVM is an architectural pattern used in software development, particularly in Android apps, to separate the user interface from the business logic.
• MVVM stands for Model-View-ViewModel

• Model represents the data and business logic

• View is the UI component that displays the data and interacts with the user

• ViewModel acts as a mediator between the Model and the View, handling user interactions and updating the Model

• MVVM help...read more
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Basic string questions
duration 2hr

Q1. About the project
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Q2. Basics of c++ that make differ in c
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