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Onetoinfinite Senior Java Developer Interview Questions and Answers

Updated 31 Jan 2024

Onetoinfinite Senior Java Developer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
-

I applied via TopHire

Round 1 - Technical 

(2 Questions)

  • Q1. Write simple ms architecture layer to fetch emp list? Explain about monolithic and MS archtecture? Write Singleton class? And why the variable is static? How to return list of emp where salary > 1000 in ja...
  • Ans. 

    Answering questions related to Java development and architecture

    • Monolithic architecture is a traditional approach where all components of an application are tightly coupled into a single unit

    • Microservices architecture is a modern approach where an application is divided into smaller, loosely coupled services

    • Singleton class is a design pattern that restricts the instantiation of a class to a single object

    • Static variable...

  • Answered by AI
  • Q2. What is default server in springboot application? And how can we configure Other server? HashSet set = new HashSet(); for(int i=0; i<100; i++){ set.add(i); set.remove(i-1); } sop(set.size()); ...
  • Ans. 

    The default server in a Spring Boot application is Tomcat. Other servers can be configured by adding dependencies and modifying the configuration.

    • The default server in Spring Boot is Tomcat, but other servers like Jetty or Undertow can be used.

    • To configure a different server, you need to exclude the default server dependency and add the desired server dependency in the pom.xml file.

    • You also need to modify the applicati...

  • Answered by AI

Skills evaluated in this interview

Top trending discussions

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Interview Tips & Stories
6d (edited)
a team lead
Why are women still asked such personal questions in interview?
I recently went for an interview… and honestly, m still trying to process what just happened. Instead of being asked about my skills, experience, or how I could add value to the company… the questions took a totally unexpected turn. The interviewer started asking things like When are you getting married? Are you engaged? And m sure, if I had said I was married, the next question would’ve been How long have you been married? What does my personal life have to do with the job m applying for? This is where I felt the gender discrimination hit hard. These types of questions are so casually thrown at women during interviews but are they ever asked to men? No one asks male candidates if they’re planning a wedding or how old their kids are. So why is it okay to ask women? Can we please stop normalising this kind of behaviour in interviews? Our careers shouldn’t be judged by our relationship status. Period.
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I appeared for an interview in Jul 2020.

Interview Questionnaire 

4 Questions

  • Q1. 1 if we call finish from oncreate in an activity in android. Will it call onresume and other lifecycle functions before ondestroy.
  • Ans. 

    No, calling finish() in onCreate() will not call onResume() or other lifecycle functions before onDestroy().

    • Calling finish() in onCreate() will immediately destroy the activity without calling any other lifecycle methods.

    • If you want to finish an activity after it has been created and resumed, you should call finish() in onPause() or onStop().

    • It is generally not recommended to call finish() in onCreate() as it can lead ...

  • Answered by AI
  • Q2. 2 Explain recyclerview and its corner cases.
  • Ans. 

    RecyclerView is a flexible view for providing a limited window into a large data set.

    • RecyclerView is used to display large sets of data efficiently

    • It uses a ViewHolder pattern to recycle views

    • Corner cases include handling empty data sets and updating data dynamically

  • Answered by AI
  • Q3. 3 Define communication between acticity and fragment.
  • Ans. 

    Communication between activity and fragment is done through interfaces.

    • Activity implements an interface and passes it to the fragment

    • Fragment can then call methods of the interface to communicate with the activity

    • This allows for communication between the two components without tight coupling

  • Answered by AI
  • Q4. 4 find second largest element in an array.
  • Ans. 

    Find the second largest element in an array of strings.

    • Sort the array in descending order and return the second element.

    • Iterate through the array and keep track of the largest and second largest elements.

    • Use a priority queue to find the second largest element.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Recise data structures basic codes and relevant technology interview questions.

Skills evaluated in this interview

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Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview before Apr 2024, where I was asked the following questions.

  • Q1. What is event loop in JS?
  • Ans. 

    The event loop in JavaScript manages asynchronous operations, allowing non-blocking execution of code.

    • JavaScript is single-threaded, meaning it can only execute one task at a time.

    • The event loop continuously checks the call stack and the message queue.

    • When the call stack is empty, the event loop pushes the first message from the queue to the stack for execution.

    • Example: setTimeout(() => console.log('Hello'), 1000) a...

  • Answered by AI
  • Q2. What is virtual DOM in react
  • Ans. 

    The virtual DOM is a lightweight representation of the actual DOM used by React to optimize rendering and improve performance.

    • The virtual DOM is a JavaScript object that mirrors the structure of the real DOM.

    • React uses the virtual DOM to determine what changes need to be made to the actual DOM.

    • When a component's state changes, React updates the virtual DOM first, then compares it with the real DOM (a process called rec...

  • Answered by AI

I applied via Referral and was interviewed in Nov 2021. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. What is latest technology you have worked on
  • Ans. 

    I have worked on React Native for mobile app development.

    • Developed a mobile app for a client using React Native

    • Used Redux for state management

    • Integrated with Firebase for real-time database and authentication

    • Implemented push notifications using Firebase Cloud Messaging

  • Answered by AI
Round 2 - HR 

(1 Question)

  • Q1. Why you want to join us

Interview Preparation Tips

Interview preparation tips for other job seekers - Be true to what you know and answer with good confidence
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
-
Result
-

I appeared for an interview in Jan 2025.

Round 1 - Coding Test 

Data structures, particularly strings, play a crucial role in problem-solving.

Round 2 - HR 

(4 Questions)

  • Q1. Please tell me about yourself.
  • Ans. First of all , thank you! For this opportunity to introduce my self. I am Akash kumar kushwaha, I was born in bihar 2001 , but I live in ghaziabad now. I m currently pursuing my b.tech from IMS engineering college ghaziabad. And I completed my 10th and 12th from co-operative uchh vidyalaya jagdishpur with score 60% in 10th and 65% in 12th . And my hobby is playing cricket and travelling.
  • Answered by AKASH KUMAR KUSHWAHA
  • Q2. Why should we hire you?
  • Ans. 

    I have a strong technical background, excellent problem-solving skills, and a passion for software development.

    • I have a Bachelor's degree in Computer Science and 5 years of experience in software development.

    • I am proficient in multiple programming languages such as Java, Python, and JavaScript.

    • I have a track record of delivering high-quality code on time and within budget.

    • I am a quick learner and always eager to stay u...

  • Answered by AI
  • Q3. What are your strength and weakness .
  • Ans. 

    Strength: Problem-solving skills, Weakness: Impatience

    • Strength: Strong problem-solving skills demonstrated through successful projects

    • Weakness: Impatience when tasks take longer than expected, working on improving patience through time management techniques

  • Answered by AI
  • Q4. Why did you choose career in software developer.
  • Ans. 

    Passion for problem-solving and creating innovative solutions drove me to pursue a career in software development.

    • Fascination with technology and its potential to improve lives

    • Enjoyment of logical thinking and coding challenges

    • Desire to constantly learn and adapt in a fast-paced industry

    • Previous experience in programming projects or internships

  • Answered by AI
Round 3 - Technical 

(2 Questions)

  • Q1. What is your area of expertise in programming languages?
  • Ans. 

    My area of expertise in programming languages is in web development, specifically with JavaScript, HTML, and CSS.

    • Proficient in JavaScript for client-side scripting and server-side development with Node.js

    • Experienced in building responsive and interactive web applications using HTML and CSS

    • Familiar with popular frameworks and libraries like React, Angular, and Bootstrap

  • Answered by AI
  • Q2. What is JavaScript, and what are its benefits?
  • Ans. 

    JavaScript is a high-level, interpreted programming language used for creating interactive websites.

    • JavaScript is commonly used for client-side web development.

    • It allows for dynamic content updates without reloading the page.

    • JavaScript can be used to create interactive elements like forms, animations, and games.

    • It is supported by all major web browsers.

    • JavaScript can also be used for server-side development with Node.j...

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I appeared for an interview in Mar 2025, where I was asked the following questions.

  • Q1. Given a 2-D matrix, write a function to perform a spiral traversal of the matrix elements.
  • Ans. 

    A spiral traversal of a 2-D matrix involves visiting elements in a spiral order, starting from the top-left corner.

    • Initialization: Define boundaries for the top, bottom, left, and right of the matrix.

    • Traversal Order: Move right across the top row, then down the right column, then left across the bottom row, and finally up the left column.

    • Boundary Adjustment: After each direction, adjust the boundaries to move inward fo...

  • Answered by AI
  • Q2. Questions based on sql
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview in Mar 2025, where I was asked the following questions.

  • Q1. Tell me about your self
  • Q2. Why do you join the ACCIO JOB
  • Q3. Explain the concepts of inheritance with an examples
  • Ans. 

    Inheritance allows a class to inherit properties and methods from another class, promoting code reuse and organization.

    • Inheritance is a fundamental concept in Object-Oriented Programming (OOP).

    • It enables a new class (subclass) to inherit attributes and methods from an existing class (superclass).

    • Example: If 'Animal' is a superclass, 'Dog' can be a subclass that inherits characteristics of 'Animal'.

    • Subclasses can also o...

  • Answered by AI
Are these interview questions helpful?
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Sql query related questions
  • Q2. Php laravel basic questions

I applied via Company Website and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. What do you think about the online education system in India?
  • Ans. 

    Online education system in India has great potential but needs improvement.

    • Online education has become more popular due to the pandemic.

    • There is a lack of infrastructure and resources for online education in rural areas.

    • Online education can be more affordable and accessible than traditional education.

    • There is a need for better quality control and accreditation for online courses.

    • Online education can provide opportuniti...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Always select real life examples that display key hiring traits.

Interview Questionnaire 

2 Questions

  • Q1. What is your strength
  • Ans. 

    My strength is my ability to analyze complex data sets and derive meaningful insights.

    • Strong analytical skills

    • Ability to work with large data sets

    • Proficiency in data visualization tools

    • Experience in statistical analysis

    • Problem-solving mindset

  • Answered by AI
  • Q2. What is yout weakness
  • Ans. 

    I tend to be overly critical of my own work, which can sometimes slow down my progress.

    • I have a tendency to overanalyze my work, which can lead to delays in completing tasks.

    • I often spend too much time double-checking my work to ensure accuracy.

    • I sometimes struggle with prioritizing tasks due to my perfectionist nature.

    • I am working on improving my time management skills to overcome this weakness.

  • Answered by AI

Onetoinfinite Interview FAQs

How many rounds are there in Onetoinfinite Senior Java Developer interview?
Onetoinfinite interview process usually has 1 rounds. The most common rounds in the Onetoinfinite interview process are Technical.
What are the top questions asked in Onetoinfinite Senior Java Developer interview?

Some of the top questions asked at the Onetoinfinite Senior Java Developer interview -

  1. Write simple ms architecture layer to fetch emp list? Explain about monolithic ...read more
  2. What is default server in springboot application? And how can we configure Othe...read more

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Overall Interview Experience Rating

4/5

based on 1 interview experience

Difficulty level

Moderate 100%
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