HARMAN Interview Questions, Process, and Tips

Q1. What is copy constructor? Write Syntax? Why there's const and & in the syntax of copy constructor.
Ans. 
Copy constructor creates a new object by copying an existing object.
• Copy constructor is used to create a new object by copying an existing object.

• Syntax: ClassName(const ClassName& obj)

• The const keyword ensures that the original object is not modified.

• The & symbol is used to pass the object by reference, which is more efficient than passing by value.

• Copy constructor is automatically called when a new object is created
Answered by AI
Add your answer
Q2. Major Pillar of OOPS, Abstraction vs Encapsulation
Ans. 
Abstraction and Encapsulation are two major pillars of OOPS.
• Abstraction is the process of hiding complex implementation details and showing only the necessary information to the user.

• Encapsulation is the process of wrapping data and methods into a single unit and restricting access to the data from outside the unit.

• Abstraction is achieved through abstract classes and interfaces.

• Encapsulation is achieved through access ...read more
Answered by AI
Add your answer
Q3. Casting Operators in C++, dynamic_cast when it is used?
Ans. 
dynamic_cast is used in C++ to perform safe downcasting of polymorphic types.
• dynamic_cast is used to convert a pointer/reference of a base class to a pointer/reference of a derived class.

• It is used when we want to access a derived class member function or variable using a base class pointer/reference.

• If the conversion is not possible, dynamic_cast returns a null pointer for pointers or throws a bad_cast exception for r
Answered by AI
Add your answer

Q1. What platform you worked on? Linux, Windows? System configuration?
Ans. 
I have worked on both Linux and Windows platforms with various system configurations.
• Proficient in Linux command line interface and shell scripting

• Experience in Windows Server administration and Active Directory management

• Familiarity with virtualization technologies such as VMware and VirtualBox

• Knowledge of system configuration management tools like Ansible and Puppet
Answered by AI
Add your answer
Q2. What is Q_Object Macro in Qt?
Ans. 
Q_Object Macro is a Qt macro used to declare a class as a QObject.
• Q_Object Macro is used to enable signals and slots mechanism in a class.

• It is used to declare a class as a QObject and to inherit from QObject.

• It is used to enable the use of Qt's meta-object system in a class.

• It is used to enable dynamic properties and object names in a class.
Answered by AI
Add your answer
Q3. Connect statement in Qt qnd it's parameters? MOC compiler in Qt?
Ans. 
Connect statement is used to connect signals and slots in Qt. MOC compiler generates meta-object code for Qt classes.
• Connect statement connects a signal to a slot or a signal to another signal.

• Parameters of connect statement include sender object, signal name, receiver object, slot name, and optional connection type.

• MOC compiler generates meta-object code for Qt classes which enables features like signals and slots, in
Answered by AI
Add your answer

Q1. Tell me about yourself.
Add your answer
Q2. Reason to leave your current company?
Add your answer

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
Answered by AI
Add your answer
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
Answered by AI
Add your answer

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
Answered by AI
Add your answer
Q2. MVVM Architecture explain
Ans. 
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
Answered by AI
Add your answer

Basic string questions
duration 2hr

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