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Innovaccer Software Developer Intern Interview Questions and Answers

Updated 16 Sep 2021

Innovaccer Software Developer Intern Interview Experiences

1 interview found

I appeared for an interview before Sep 2020.

Round 1 - Assignment 

Round duration - 7 days
Round difficulty - Easy

Web Development, Databases

Round 2 - Telephonic Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

This was the final round and was a telephonic interview.

  • Q1. 

    Implementation of HashMap with Constant Time Operations

    Design a data structure that effectively stores a key-value mapping and performs specific operations in constant time.

    Explanation:

    Your data stru...

  • Ans. 

    Design a data structure implementing HashMap with constant time operations like INSERT, DELETE, SEARCH, GET, GET_SIZE, IS_EMPTY.

    • Use a combination of hash table and linked list to achieve constant time operations.

    • For INSERT and UPDATE, hash the key to get the index and store the (key, value) pair in the linked list at that index.

    • For DELETE, SEARCH, and GET, hash the key to find the index, then traverse the linked list a...

  • Answered by AI
  • Q2. 

    Isomorphic Trees Problem Statement

    You are provided with two arbitrary binary trees. Determine if both trees are isomorphic.

    Explanation:

    Two binary trees are considered isomorphic if one tree can be tr...

  • Ans. 

    Determine if two binary trees are isomorphic by swapping left and right subtrees.

    • Check if both trees are empty, return 'yes' if they are

    • Perform the swap operation on any node at any level

    • Compare the structures of both trees after swapping to determine isomorphism

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - Intern in NoidaEligibility criteriaNo criteriaInnovaccer interview preparation:Topics to prepare for the interview - Data Structures, Machine Learning, Web Development, Algorithms, CS fundamentalsTime required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers

Tip 1 : Practice Data Structures and Algorithms from websites like leetcode,geeksforgeeks etc. 
Tip 2 : Learn one skill — be it web development, android development, or Machine Learning, make some projects on it. Don’t try to learn everything, pick 1 thing, and master it.
Tip 3 : Study computer fundamentals — DBMS, Operating Systems, OOPs, Computer Networks before your interviews.

Application resume tips for other job seekers

Tip 1 : Keep it simple and concise.
Tip 2 : Include some personal projects

Final outcome of the interviewSelected

Skills evaluated in this interview

Top trending discussions

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Interview Tips & Stories
2w
toobluntforu
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works at
Cvent
Can speak English, can’t deliver in interviews
I feel like I can't speak fluently during interviews. I do know english well and use it daily to communicate, but the moment I'm in an interview, I just get stuck. since it's not my first language, I struggle to express what I actually feel. I know the answer in my head, but I just can’t deliver it properly at that moment. Please guide me
Got a question about Innovaccer?
Ask anonymously on communities.

Interview questions from similar companies

I applied via Naukri.com and was interviewed in Aug 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. My first question is tell me about yourself then they ask what you do after graduation. Then ask some technical question like oops concept and collections and map and some question in sql and jdbc also.

Interview Preparation Tips

Interview preparation tips for other job seekers - It is a product base MNC and it is good for fresher.

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I appeared for an interview in Jan 2021.

Interview Questionnaire 

1 Question

  • Q1. One Program with c#
  • Ans. 

    A C# program to demonstrate basic concepts like variables, loops, and conditionals.

    • Use 'int' for integers: int number = 5;

    • Implement loops: for (int i = 0; i < 5; i++) { Console.WriteLine(i); }

    • Use conditionals: if (number > 0) { Console.WriteLine('Positive'); }

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Wasting of time i feel when I joined interview with him. One Program he asked when i answered it properly/not he said done his interview

Skills evaluated in this interview

Interview Questionnaire 

19 Questions

  • Q1. Introduce yourself
  • Ans. 

    I am a software developer with experience in Java and Python.

    • Proficient in Java and Python programming languages

    • Experience in developing web applications using Spring framework

    • Familiarity with database management systems such as MySQL and MongoDB

  • Answered by AI
  • Q2. Tell me more about your achievements
  • Ans. 

    I have achieved success in developing and implementing various software solutions.

    • Developed a web application that increased user engagement by 30%

    • Implemented a new feature that reduced system downtime by 50%

    • Created a mobile app that received 4.5-star rating on app stores

    • Led a team of developers to successfully complete a project within a tight deadline

  • Answered by AI
  • Q3. What sort of projects do you work on ?
  • Ans. 

    I work on a variety of projects ranging from web development to mobile app development.

    • Web development using HTML, CSS, JavaScript, and various frameworks such as React and Angular

    • Mobile app development for iOS and Android using Swift, Kotlin, and React Native

    • Database design and management using SQL and NoSQL databases such as MySQL and MongoDB

    • API development and integration using REST and GraphQL

    • Machine learning proje...

  • Answered by AI
  • Q4. What is the difference between a hardworker and a smartworker?
  • Ans. 

    A hardworker puts in more effort, while a smartworker works efficiently and effectively.

    • A hardworker may spend more time on a task, while a smartworker finds ways to complete it faster.

    • A hardworker may rely on brute force, while a smartworker uses their skills and knowledge to solve problems.

    • A hardworker may struggle with prioritization, while a smartworker knows how to focus on the most important tasks.

    • A hardworker ma...

  • Answered by AI
  • Q5. What makes you say that you are more of a developer than an analyst ?( I was asked for choice )
  • Q6. Why is Zuckerburg in news these days?
  • Ans. 

    Zuckerberg is in news due to Facebook's handling of user data and misinformation.

    • Facebook's role in the 2016 US Presidential election

    • Cambridge Analytica scandal

    • Testimony before US Congress

    • Ongoing debate on social media regulation

  • Answered by AI
  • Q7. Tell me about yourself
  • Ans. 

    I am a software developer with experience in Java and Python.

    • I have a Bachelor's degree in Computer Science.

    • I have worked on various projects involving web development and data analysis.

    • I am proficient in Java and Python programming languages.

    • I am a quick learner and enjoy working in a team environment.

  • Answered by AI
  • Q8. Which is your favourite project (among mentioned in resume) and why?
  • Ans. 

    My favorite project is the e-commerce website I developed for a local business.

    • I enjoyed working on the front-end design and user experience.

    • I implemented a secure payment gateway and order tracking system.

    • The website increased the business's online sales by 50%.

    • I received positive feedback from the client and their customers.

  • Answered by AI
  • Q9. OOPs concepts
  • Q10. Explain inheritance
  • Ans. 

    Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.

    • Inheritance allows code reuse and promotes code organization.

    • The existing class is called the parent or superclass, and the new class is called the child or subclass.

    • The child class inherits all the properties and methods of the parent class and can also add its own unique properties and ...

  • Answered by AI
  • Q11. Difference between finally , finalize and final
  • Ans. 

    finally is a keyword used in try-catch block, finalize is a method in Object class, and final is a keyword used for declaring constants.

    • finally is used to execute a block of code after try-catch block

    • finalize is called by garbage collector before destroying an object

    • final is used to declare a constant variable or to make a class uninheritable

  • Answered by AI
  • Q12. Private vs final keyword in considerance with member functions in an application offered to the user
  • Ans. 

    Private keyword restricts access to member functions within the class while final keyword prevents overriding of functions.

    • Private keyword is used to hide the implementation details of a class from the user.

    • Final keyword is used to prevent the user from overriding a function in a subclass.

    • Using private and final keywords together can ensure that the implementation details of a class are not modified by the user.

  • Answered by AI
  • Q13. Write an interface
  • Ans. 

    An interface defines a set of methods that a class must implement.

    • An interface is declared using the 'interface' keyword.

    • All methods in an interface are public and abstract by default.

    • A class can implement multiple interfaces.

    • Interfaces can also extend other interfaces.

    • Example: public interface MyInterface { void myMethod(); }

  • Answered by AI
  • Q14. Difference between Abstract class and Interface
  • Ans. 

    Abstract class is a class with some implementation while Interface is a contract with no implementation.

    • Abstract class can have constructors while Interface cannot

    • Abstract class can have non-abstract methods while Interface cannot

    • A class can implement multiple interfaces but can only inherit from one abstract class

    • Abstract class is used when there is a need for common functionality among related classes while Interface...

  • Answered by AI
  • Q15. Inheritance types in Java
  • Ans. 

    Inheritance types in Java

    • Java supports single and multiple inheritance through classes and interfaces respectively

    • Single inheritance is when a class extends only one parent class

    • Multiple inheritance is when a class implements multiple interfaces

    • Java also supports hierarchical inheritance where multiple classes extend a single parent class

    • Java does not support multiple inheritance through classes to avoid the diamond pr...

  • Answered by AI
  • Q16. Order of multiple catch blocks in a single try block in java. Will it compile if the general catch was before the specific one?
  • Ans. 

    Order of catch blocks in a try block in Java

    • Specific catch blocks should come before general catch blocks

    • If general catch block comes before specific catch block, it will result in a compile-time error

    • If multiple catch blocks are present, only the first matching catch block will be executed

  • Answered by AI
  • Q17. What do you know about Garbage collection
  • Ans. 

    Garbage collection is an automatic memory management process that frees up memory occupied by objects that are no longer in use.

    • Garbage collection is used in programming languages like Java, C#, and Python.

    • It helps prevent memory leaks and reduces the risk of crashes due to memory exhaustion.

    • Garbage collection works by identifying objects that are no longer in use and freeing up the memory they occupy.

    • There are differe...

  • Answered by AI
  • Q18. Write code for connecting a java application to the database
  • Ans. 

    Code for connecting a Java application to a database

    • Import the JDBC driver for the specific database

    • Create a connection object using the DriverManager class

    • Create a statement object to execute SQL queries

    • Execute the query and retrieve the results

    • Close the connection and release resources

  • Answered by AI
  • Q19. What is JSON?
  • Ans. 

    JSON stands for JavaScript Object Notation, a lightweight data interchange format.

    • JSON is used to transmit data between a server and a web application, as an alternative to XML.

    • It is easy to read and write for humans and easy to parse and generate for machines.

    • JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C family of languages.

    • Example: {"name"...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: The test had 50 questions which were to be answered in 50 minutes. The test is not very difficult if you got basic skills in aptitude, but the most important thing is managing time. The level of difficulty was moderate.
Tips: Do not waste time on verbal questions which have a direct answer ( synonyms and antonyms) which you are not very sure of.
Just try making a smart guess when you have a doubt by elimination or something.
Duration: 50 minutes
Total Questions: 50

Round: HR Interview
Experience: I wouldn't say it went great but it was fine. I did not think I would clear it as for most of the questions the interviewer seemed disappointed and wanted more out of me.
Tips: Keep smiling.
Only put things which you are thorough about, in your resume.
The interviewer too doesn't know everything, so just be confident in whatever you say-the interviewer might get convinced.

Round: Technical Interview
Experience: The interviewer was really cool. He realized that I mostly work on java applications so he chose to ask me stuff related to that.
He didn't want me to know the answer well but just wanted me to approach to it, maybe think more.
He went through my resume back and forth and asked mostly about all my projects and their logic and how could I take them to the next level.
Tips: Be confident.
Its okay not to know any answer, just try giving it a shot in the approach.

Skills: Object Oriented Programming (OOP) Basics, Basics Of Machine Learning, Ability To Analyse, Ability To Think Of Creative Solutions, Ability To Think Beyond Boundaries, Ability To Convince, Database Management, Java Programming
College Name: Amrita School Of Engineering, Coimbatore
Funny Moments: I had mentioned Japanese as languages known in my resume. During the HR interview , I was asked to tell "How are you ?" in Japanese. I knew that the interviewer didn't know any of that language but I was a little scared to just tell anything.
You could try giving a shot in a similar situation :P

Skills evaluated in this interview

I appeared for an interview before Mar 2021.

Round 1 - Face to Face 

(6 Questions)

Round duration - 60 minutes
Round difficulty - Medium

The interviewer was really cool. He realized that I mostly work on java applications so he chose to ask me stuff related to that. He didn't want me to know the answer well but just wanted me to approach to it, maybe think more. He went through my resume back and forth and asked mostly about all my projects and their logic and how could I take them to the next level.
Tips: Be confident. Its okay not to know any answer, just try giving it a shot in the approach.

  • Q1. What is the difference between an abstract class and an interface in Java?
  • Ans. 

    Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.

    • Abstract class can have constructors, member variables, and methods with implementation.

    • Interface can only have abstract methods and constants.

    • A class can implement multiple interfaces but can only extend one abstract class.

    • Example: Abstract class - Animal with abstract method 'eat', Interface - Flyable with m...

  • Answered by AI
  • Q2. What is the difference between 'final', 'finally', and 'finalize' in Java?
  • Ans. 

    final is a keyword used to declare constants, finally is a block used in exception handling, and finalize is a method used for cleanup.

    • final is a keyword used to declare constants in Java, meaning the value cannot be changed once assigned. Example: final int x = 10;

    • finally is a block used in exception handling to ensure a piece of code is always executed, whether an exception is thrown or not. Example: try { // code } ...

  • Answered by AI
  • Q3. What is the difference between the private and final access modifiers in Java?
  • Ans. 

    Private restricts access to the class itself, while final prevents inheritance and method overriding.

    • Private access modifier restricts access to the class itself, while final access modifier prevents inheritance and method overriding.

    • Private members are only accessible within the same class, while final classes cannot be extended and final methods cannot be overridden.

    • Example: private int num; - num can only be accesse...

  • Answered by AI
  • Q4. What are the steps for establishing a JDBC connection?
  • Ans. 

    Establishing a JDBC connection involves loading the driver, creating a connection, creating a statement, executing queries, and handling exceptions.

    • Load the JDBC driver using Class.forName() method

    • Create a connection using DriverManager.getConnection() method

    • Create a statement using connection.createStatement() method

    • Execute queries using statement.executeQuery() method

    • Handle exceptions using try-catch blocks

  • Answered by AI
  • Q5. What is JSON?
  • Ans. 

    JSON is a lightweight data interchange format used to store and transmit data between a server and a web application.

    • JSON stands for JavaScript Object Notation.

    • It is easy for humans to read and write, and easy for machines to parse and generate.

    • JSON is language-independent and can be used with any programming language.

    • Example: {"name": "John", "age": 30}

    • Example: [{"name": "Alice", "age": 25}, {"name": "Bob", "age": 35}...

  • Answered by AI
  • Q6. What do you know about garbage collection in Java?
  • Ans. 

    Garbage collection in Java is the process of automatically managing memory by deallocating objects that are no longer needed.

    • Garbage collection helps in preventing memory leaks by reclaiming memory used by objects that are no longer referenced.

    • Java uses a garbage collector to automatically manage memory, unlike languages like C++ where memory management is manual.

    • Garbage collection in Java can be triggered by calling S...

  • Answered by AI
Round 2 - HR 

Round duration - 30 minutes
Round difficulty - Easy

I wouldn't say it went great but it was fine. I did not think I would clear it as for most of the questions the interviewer seemed disappointed and wanted more out of me.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPACerner Corporation interview preparation:Topics to prepare for the interview - Object Oriented Programming (OOP) Basics, Basics Of Machine Learning, Data Structures and Algorithms, Database Management, Java ProgrammingTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Naukri.com and was interviewed before May 2020. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Questions were related to your technology on which you are good, it starts with basic that identifies you worked in your technology and good knowledge over workflow and your coding standard.

Interview Preparation Tips

Interview preparation tips for other job seekers - Working hard and prepare yourself to achieve your goal where you are satisfy with your job. There is no shortcut, you have to face the challenges. Be prepare yourself

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

Interview Questionnaire 

2 Questions

  • Q1. I have got questions about vsam files and about SQL queries.
  • Q2. What is my previous work and project roles and responsibilities.?

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare with basics clear with your project,your work,and your roles and responsibilities and be good to make them understand what you willing to answer.
Are these interview questions helpful?

I applied via Referral and was interviewed in Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. He asked about MVC and jquery.
  • Q2. He asked about triggers and SO.
  • Q3. He asked about. Net session management and stringbuilder etc.
  • Q4. Overall interview was easy.

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't take panic give all answers with cool mind you will be sure select.

Interview Questionnaire 

1 Question

  • Q1. OOPS basics Sql basic Mvc && jQuery basic only

I applied via Naukri.com and was interviewed in Jul 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basics of oops Concepts of JavaScript Data structures related problems

Interview Preparation Tips

Interview preparation tips for other job seekers - Just make your concepts strong and back yourself

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