Allview India Electronics Software Developer Trainee Interview Questions and Answers

Q1. What is polymorphism?
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance allows a child class to override a method from its parent class, exhibiting polymorphic b
Answered by AI
Add your answer
Q2. How abstraction is implemented?
Ans. 
Abstraction is implemented in software engineering by hiding unnecessary details and exposing only relevant information.
• Abstraction is achieved through the use of abstract classes and interfaces in object-oriented programming.

• It allows developers to focus on the essential aspects of a concept without getting bogged down in implementation details.

• For example, in a car simulation program, the Car class may have abstract ...read more
Answered by AI
Add your answer
Q3. What is the difference between abstraction and Interface?
Ans. 
Abstraction is hiding the implementation details while Interface is a contract that defines the methods that a class must implement.
• Abstraction focuses on hiding the internal implementation details of a class, allowing the user to only see the necessary details.

• Interface defines a contract that specifies the methods a class must implement, without providing the implementation details.

• Abstraction can be achieved through...read more
Answered by AI
Add your answer

Q1. What is your motivation when you are working on same project alone for long period?
Ans. 
My motivation when working on a project alone for a long period is the satisfaction of seeing my hard work come to fruition.
• Setting small achievable goals to keep myself motivated

• Taking breaks to avoid burnout and maintain productivity

• Seeking feedback from others to stay motivated and improve my work

• Reminding myself of the end goal and the impact my project will have
Answered by AI
Add your answer

Q1. What is your salary expectation?
Ans. 
My salary expectation is based on my experience, skills, and the market rate for Software Engineers in this region.
• Research the average salary range for Software Engineers in the specific region or industry

• Consider your level of experience, skills, and qualifications when determining your salary expectation

• Be prepared to negotiate based on the company's offer and benefits package
Answered by AI
Add your answer

Q1. Array topics - 2 question from this topic
Add your answer
Q2. Linkedlist coding problem - 1 problem from this topic
Add your answer

Sql problem solving - 2 problem from this topic

Q1. Project discussion - projects you worked on
Ans. 
I have worked on various projects including a web application for a retail company and a mobile app for a fitness tracker.
• Developed a web application for a retail company to manage inventory and sales

• Created a mobile app for a fitness tracker to track workouts and progress

• Collaborated with team members to design and implement features

• Utilized technologies such as React, Node.js, and MongoDB
Answered by AI
Add your answer

Tell about AC industry

Q1. Move zeros to end?
Ans. 
Move all zeros in an array of strings to the end while maintaining the order of non-zero elements.
• Iterate through the array and move all zeros to the end while keeping the order of non-zero elements.

• Use two pointers approach to swap elements in-place.

• Example: Input: ['a', 'b', 'c', '0', 'd', '0'], Output: ['a', 'b', 'c', 'd', '0', '0']
Answered by AI
Add your answer
Q2. WHat are AWS services?
Ans. 
AWS services are cloud computing services provided by Amazon Web Services.
• Compute services (e.g. EC2, Lambda)

• Storage services (e.g. S3, EBS)

• Database services (e.g. RDS, DynamoDB)

• Networking services (e.g. VPC, Route 53)

• Machine learning services (e.g. SageMaker)

• Analytics services (e.g. Redshift, Athena)
Answered by AI
Add your answer
Q3. What is dynamodb?
Ans. 
DynamoDB is a fully managed NoSQL database service provided by AWS.
• Fully managed NoSQL database service

• Scalable and high-performance

• Supports key-value and document data models

• Automatically replicates data across multiple Availability Zones for high availability
Answered by AI
Add your answer

Q1. How good are you at stress handling situations?
Ans. 
I am very good at handling stress situations, remaining calm and focused under pressure.
• I have experience working on high-pressure projects with tight deadlines.

• I am able to prioritize tasks effectively and stay organized during stressful situations.

• I have developed strong problem-solving skills that help me navigate stressful scenarios.

• I am able to communicate effectively with team members and stakeholders to manage s...read more
Answered by AI
Add your answer
Q2. Why daikin eloaborate this?
Ans. 
Daikin may elaborate on a topic to provide more detailed information or explanation.
• To provide a better understanding of a complex concept or product

• To address potential questions or concerns from customers

• To showcase the company's expertise and knowledge in the industry
Answered by AI
Add your answer

Q1. What is broadcast receiver
Ans. 
Broadcast receiver is a component in Android that allows the system to deliver events to the app.
• Component in Android system

• Receives and handles broadcast messages

• Used to respond to system-wide events

• Registered in the AndroidManifest.xml file
Answered by AI
Add your answer
Q2. What is intent service
Ans. 
IntentService is a class in Android that performs long-running operations in the background without blocking the main thread.
• IntentService is a subclass of Service that handles asynchronous requests (expressed as Intents) on demand.

• It is typically used for tasks like downloading files, syncing data, or performing any other background task.

• IntentService runs on a separate worker thread, so it does not interfere with the...read more
Answered by AI
Add your answer

Q1. Why do you want to join
Ans. 
I am passionate about developing innovative software solutions and believe this company aligns with my career goals.
• Excited about the opportunity to work on cutting-edge technologies

• Impressed by the company's reputation for fostering a collaborative work environment

• Seeking a challenging role that allows for professional growth and development
Answered by AI
Add your answer
Q2. What is your highest qualification
Ans. 
Master's degree in Computer Science
• Master's degree in Computer Science

• Specialization in software engineering

• Thesis on machine learning algorithms

• Graduated with honors
Answered by AI
Add your answer

Q1. What is your weakness
Add your answer
Q2. What is pn junction diode
Ans. 
A pn junction diode is a semiconductor device that allows current to flow in one direction only.
• Consists of p-type and n-type semiconductor materials

• When forward biased, allows current to flow easily

• When reverse biased, blocks current flow
Answered by AI
Add your answer

Q1. What is your hobby?
Ans. 
My hobby is playing the guitar and writing music.
• Playing the guitar helps me relax and express my creativity.

• I enjoy learning new songs and techniques to improve my skills.

• Writing music allows me to channel my emotions and thoughts into melodies and lyrics.
Answered by AI
Add your answer

Two Sum and 3 Sum in Leetcode

Q1. System design for a load balancer
Ans. 
A load balancer distributes incoming network traffic across multiple servers to ensure optimal resource utilization and prevent overload.
• Identify the requirements for the load balancer (e.g. traffic volume, server capacity)

• Choose a load balancing algorithm (e.g. round-robin, least connections)

• Implement health checks to monitor server status and remove unhealthy servers from rotation

• Consider scalability and redundancy f...read more
Answered by AI
Add your answer

I am read to test for round number one.

I also ready for this and this is so effective for me.