HARMAN Software Engineer Interview Questions and Answers

Testing is a critical process in software development to ensure quality, functionality, and performance of applications.

• Types of testing: Unit testing, Integration testing, System testing, and Acceptance testing.

• Unit testing focuses on individual components; for example, testing a function that calculates tax.

• Integration testing checks how different modules work together; for instance, testing the interaction betw...read more

A program to find the maximum value in an array of integers.

• Define a function that takes an array as input.

• Initialize a variable to hold the maximum value.

• Iterate through the array and compare each element.

• Update the maximum value if a larger element is found.

• Return the maximum value after the loop.

I'm seeking new challenges and opportunities for growth that align with my career goals and aspirations.

• Desire for professional growth: I'm looking for a role that offers more opportunities for advancement, such as leadership positions.

• Interest in new technologies: I want to work with cutting-edge technologies that my current job doesn't provide, like AI or cloud computing.

• Cultural fit: I'm seeking a company cultu...read more

A linked list is a linear data structure where elements are stored in nodes, each pointing to the next, allowing dynamic memory allocation.

• Consists of nodes, each containing data and a reference (or pointer) to the next node.

• Types include singly linked lists, doubly linked lists, and circular linked lists.

• Singly linked list: Each node points to the next node (e.g., A -> B -> C).

• Doubly linked list: Each node ...read more

A singleton ensures a class has only one instance and provides a global point of access to it.

• Use a private constructor to prevent instantiation from outside the class.

• Use a static member function to provide access to the instance.

• In C++11, use a static local variable to ensure thread safety.

• Example: static Singleton& getInstance() { static Singleton instance; return instance; }

C++ core concepts include OOP principles, memory management, operator overloading, and features of the QT framework.

• Object-Oriented Programming (OOP): C++ supports encapsulation, inheritance, and polymorphism.

• Copy Constructor: A special constructor used to create a new object as a copy of an existing object. Example: `ClassName(const ClassName &obj)`.

• Operator Overloading: Allows custom implementation of operat...read more