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InfoAxon Technologies Senior Engineer Interview Questions, Process, and Tips

Updated 5 May 2021

InfoAxon Technologies Senior Engineer Interview Experiences

1 interview found

I applied via Campus Placement and was interviewed before May 2020. There were 4 interview rounds.

Interview Questionnaire 

6 Questions

  • Q1. What do you know about HashMap explain with internal working?
  • Ans. 

    HashMap is a data structure that stores key-value pairs and provides constant time complexity for basic operations.

    • HashMap uses hashing to store and retrieve values based on their keys.

    • It allows null values and one null key.

    • Collisions are resolved by chaining or open addressing.

    • The initial capacity and load factor can be specified during initialization.

    • The internal array is resized when the load factor exceeds a thresh...

  • Answered by AI
  • Q2. What is the difference between StringBuffer and StringBuilder?
  • Ans. 

    StringBuffer is synchronized while StringBuilder is not.

    • StringBuffer is thread-safe while StringBuilder is not.

    • StringBuffer is slower than StringBuilder due to synchronization.

    • StringBuilder is preferred for single-threaded operations.

    • Both classes are used for manipulating strings.

    • Example: StringBuffer sb = new StringBuffer(); StringBuilder sb = new StringBuilder();

  • Answered by AI
  • Q3. Explain public static void main (String[] args) .
  • Ans. 

    The entry point of a Java program, must be public, static, void and accept an array of strings as argument.

    • public: accessible from anywhere in the program

    • static: belongs to the class, not to an instance of the class

    • void: does not return any value

    • main: the name of the method that serves as the entry point of the program

    • String[] args: an array of strings that can be used to pass arguments to the program

  • Answered by AI
  • Q4. Explains ways to define Thread.
  • Ans. 

    A thread is a lightweight process that can run concurrently with other threads within a program.

    • Threads share the same memory space as the parent process.

    • Threads can communicate with each other through shared memory.

    • Threads can be created and managed using threading libraries in programming languages like Java and Python.

  • Answered by AI
  • Q5. What is encapsulation? How can achieve it?
  • Ans. 

    Encapsulation is the process of hiding implementation details and exposing only necessary information.

    • Encapsulation is achieved through access modifiers like public, private, and protected.

    • It helps in achieving data abstraction and information hiding.

    • It prevents unauthorized access to the internal details of an object.

    • Example: A class with private variables and public methods to access those variables.

    • Example: A capsul...

  • Answered by AI
  • Q6. What is the fill ratio and concurrency level in Concurrent Collection Framework
  • Ans. 

    Fill ratio is the percentage of array slots that are occupied by elements. Concurrency level is the estimated number of concurrently updating threads.

    • Fill ratio is important for performance optimization and memory usage.

    • Concurrency level determines the number of segments in the collection.

    • Higher concurrency level can improve performance but also increases memory usage.

    • Examples of concurrent collection frameworks includ

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident .
Be real.

Skills evaluated in this interview

Interview questions from similar companies

I applied via Naukri.com and was interviewed before Jul 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Coming to AEM,Interviewer has covered all the topics.

Interview Preparation Tips

Interview preparation tips for other job seekers - Pls don't join in TechMahindra.Especially for AEM Folks.Because there are no projects at all.They force you to learn and work in other domain.Then your AEM knowledge will vanish.Worst Company.

Interview Questionnaire 

1 Question

  • Q1. What is name mangling?
  • Ans. 

    Name mangling is a technique used by compilers to give unique names to functions and variables to avoid naming conflicts.

    • Name mangling is used in C++ to support function overloading.

    • It is also used in Python to avoid naming conflicts in modules.

    • Name mangling can make it difficult to access variables and functions from outside the class in which they are defined.

    • In C++, name mangling can be seen by using the 'nm' comman

  • Answered by AI

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Past experience and communication skills

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident

Senior Engineer Interview Questions & Answers

HCLTech user image raja reddy duggi reddy

posted on 27 Apr 2021

Interview Questionnaire 

2 Questions

  • Q1. Engineering Technical
  • Q2. Mainly on Engineering Design

Interview Questionnaire 

6 Questions

  • Q1. Explain abstract factory design pattern ?
  • Ans. 

    Abstract Factory is a creational design pattern that provides an interface for creating families of related objects.

    • Abstract Factory is used when we need to create families of related objects without specifying their concrete classes.

    • It provides an interface for creating objects of related classes without specifying their concrete classes.

    • It encapsulates a group of factories that have a common theme.

    • It promotes loose c...

  • Answered by AI
  • Q2. How do you do range based map iteration
  • Ans. 

    Range based map iteration can be done using a for-each loop or iterators.

    • Use a for-each loop to iterate over the map elements.

    • Alternatively, use iterators to traverse the map.

    • The range-based for loop is preferred for its simplicity and readability.

    • Example: for(auto const& [key, value] : myMap) { //do something with key and value }

  • Answered by AI
  • Q3. What are detached and joined threads
  • Ans. 

    Detached threads are independent threads that run separately from the main thread. Joined threads are threads that wait for the main thread to finish.

    • Detached threads are created using pthread_detach() function

    • Joined threads are created using pthread_join() function

    • Detached threads do not need to be explicitly terminated

    • Joined threads must be explicitly terminated using pthread_exit() or return statement

    • Detached thread...

  • Answered by AI
  • Q4. What are static code analysis tools
  • Ans. 

    Static code analysis tools are software programs that analyze source code to find potential issues and improve code quality.

    • Static code analysis tools scan code without executing it

    • They can detect issues such as security vulnerabilities, coding errors, and performance problems

    • Examples of static code analysis tools include SonarQube, ESLint, and Checkstyle

  • Answered by AI
  • Q5. Command to list currently running threads in linux
  • Ans. 

    Command to list currently running threads in linux

    • Use the 'ps' command with the 'H' option to display threads in a hierarchy

    • Use the 'top' command to display threads in real-time

    • Use the 'htop' command for an interactive display of threads

  • Answered by AI
  • Q6. Can we perform arithmetic operation on Unique pointer
  • Ans. 

    No, arithmetic operations cannot be performed on unique pointers.

    • Unique pointers are used to manage the lifetime of dynamically allocated objects.

    • They cannot be copied or assigned, only moved.

    • Arithmetic operations are not defined for pointers, including unique pointers.

  • Answered by AI

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Design facebook
  • Ans. 

    Designing Facebook is a complex task involving various components and technologies.

    • Identify the core features of Facebook such as user profiles, news feed, messaging, and groups.

    • Choose appropriate technologies for each component such as PHP for backend, React for frontend, and MySQL for database.

    • Ensure scalability and performance by implementing caching, load balancing, and database sharding.

    • Implement security measures...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Database, logical reasoning

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Nov 2020. There were 5 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Questions based on the CV we kept
  • Q2. Questions related to powershell, storages, networking in azure IaaS, NSG

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare whatever u kept in CV and the basics

I applied via Recruitment Consultant and was interviewed in Mar 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Routing and switching related

Interview Preparation Tips

Interview preparation tips for other job seekers - Do your best. Study well.
Its all about God's grace.

Interview Questionnaire 

3 Questions

  • Q1. About skilla
  • Q2. Project
  • Q3. Roles in

InfoAxon Technologies Interview FAQs

What are the top questions asked in InfoAxon Technologies Senior Engineer interview?

Some of the top questions asked at the InfoAxon Technologies Senior Engineer interview -

  1. What is the fill ratio and concurrency level in Concurrent Collection Framewo...read more
  2. What do you know about HashMap explain with internal worki...read more
  3. What is the difference between StringBuffer and StringBuild...read more

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