10+ Product Engineer Interview Questions and Answers for Freshers

Use Java Streams to find total employees with salary > 50000

• Filter employees with salary > 50000 using stream.filter()

• Count the number of employees using stream.count()

Ductile materials can be drawn into wires, while malleable materials can be hammered or rolled into thin sheets.

• Ductile materials can be drawn into wires without breaking.

• Malleable materials can be hammered or rolled into thin sheets without breaking.

• Ductile materials include metals like copper and aluminum.

• Malleable materials include metals like gold and lead.

Regulations ECE and FMVSS and Design standards for Sheetmetal and plastic

• ECE regulations are standards set by the United Nations Economic Commission for Europe for the safety and environmental performance of vehicles.

• FMVSS refers to Federal Motor Vehicle Safety Standards, which are regulations set by the National Highway Traffic Safety Administration in the United States.

• Design standards for sheet metal and plastic involve guidelines and specifications for the design and manu...read more

Annotations in Springboot like @Entity, @RestController are used for defining classes and endpoints respectively.

• Annotations like @Entity are used to define JPA entities in Springboot.

• Annotations like @RestController are used to define RESTful web services endpoints.

• Annotations like @Autowired are used for dependency injection in Springboot.

Design a system for messaging multiple teams at a time.

• Implement a messaging platform with channels for each team

• Allow users to subscribe to multiple teams' channels

• Provide options for real-time messaging and notifications

• Include features like file sharing, message search, and user mentions

Java is an object-oriented programming language while C++ is a general-purpose programming language.

• Java is platform-independent while C++ is platform-dependent.

• Java has automatic garbage collection while C++ requires manual memory management.

• Java has a simpler syntax compared to C++.

• Java has a built-in support for multithreading while C++ requires external libraries.

• C++ allows for low-level memory manipulation while Java does not.

• Java has a larger standard library compared t...read more

In my previous project, I used AWS services such as EC2, S3, and RDS for hosting, storage, and database management.

• EC2 for hosting application servers

• S3 for storing and retrieving files

• RDS for managing relational databases

Java is a popular language for its platform independence, object-oriented programming, and vast community support.

• Java is platform-independent, meaning it can run on any operating system without modification.

• Java is object-oriented, allowing for modular and reusable code.

• Java has a vast community of developers and libraries, making it easy to find solutions to problems.

• Java is used in a variety of applications, including web development, mobile app development, and enterprise...read more

IOT is a network of physical devices that are connected and can communicate with each other to perform tasks.

• IOT stands for Internet of Things

• It involves connecting everyday devices to the internet

• These devices can communicate with each other and with us

• Examples include smart homes, wearable technology, and industrial sensors

Relocation is not a problem for me.

• I am open to relocating for the right opportunity.

• I have experience relocating for previous jobs and have successfully adapted to new environments.

• I am flexible and willing to adjust to new locations and cultures.

• I understand the challenges that come with relocation and have a plan in place to handle them.

• I have researched the potential relocation area and am excited about the opportunities it offers.

A linked list is a data structure that consists of nodes where each node contains a data field and a reference to the next node in the sequence.

• Consists of nodes connected by pointers

• Each node contains data and a reference to the next node

• Allows for dynamic size and efficient insertion/deletion

An array in C is a collection of elements of the same data type stored in contiguous memory locations.

• Arrays are declared by specifying the data type of the elements and the number of elements in square brackets, e.g. int arr[5];

• Elements in an array can be accessed using their index, starting from 0, e.g. arr[0] refers to the first element.

• Arrays in C are zero-indexed, meaning the first element is at index 0.

• Arrays can be of any data type, including arrays of strings like cha...read more