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Infosys Interview Questions, Process, and Tips
Top Infosys Interview Questions and Answers
- Q1. Count Ways to Reach the N-th Stair Problem Statement You are provided with a number of stairs, and initially, you are located at the 0th stair. You need to reach the Nth ...read moreasked in System Engineer interview
- Q2. Suppose there are two tables: A Customer table and an Order table. The Order table has a column OrderID CustomerID, OrderStatus, and TotalAmount. The Customer table has t ...read moreasked in Senior Associate Consultant interview
- Q3. Split the String Problem Statement You are given a string str consisting of N lowercase alphabets. Your task is to determine if it is possible to divide the string into ...read moreasked in Software Engineer interview
Infosys Interview Experiences
7.6k interviews found
Anonymous
I applied via Naukri.com and was interviewed in Oct 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Explain activity life cycle
- Ans.
Activity life cycle refers to the stages an activity goes through from creation to destruction.
An activity is created using onCreate() method
It becomes visible using onStart() method
It becomes interactive using onResume() method
It goes to background using onPause() method
It becomes invisible using onStop() method
It gets destroyed using onDestroy() method
- Q2. What is difference between abstract class and interface
- Ans.
Abstract class is a class that can have both abstract and non-abstract methods while interface only has abstract methods.
Abstract class can have constructors while interface cannot
A class can implement multiple interfaces but can only inherit from one abstract class
Abstract class can have instance variables while interface cannot
Abstract class can provide default implementation for some methods while interface cannot
Ex...
(2 Questions)
- Q1. Why are you looking for a change?
- Q2. Tell me about yourself.
Interview Preparation Tips
Skills evaluated in this interview
Android App Developer Interview Questions asked at other Companies
Selected
I was interviewed in Feb 2025.
(21 Questions)
- Q1. Explain the Spring Security.
- Q2. Expalin the flow of a Rest API call from frontend to backend and response from backend to frontend.
- Q3. Explain JWT token.
- Q4. Define Filters and Segmentation in Spring Security.
- Q5. How one microservices authenticate another microservice with JWT?
- Q6. What is a Functional Interface?
- Q7. Give an example of a java interface which uses a functional interface.
- Q8. Write a code to implement Runnable using lambda.
- Q9. Which is springboot default server and How to use another server in springboot?
- Q10. What are profiles and how to use them?
- Q11. How is bean Injection working?
- Q12. How to inject a specific bean of the same object?
- Q13. How to set up a discovery server for microservices?
- Q14. What is the use of @Primary annotation?
- Q15. Which method can be used to check if a service is up or not?
- Q16. How would you externalize a microservice?
- Q17. What is the default port of springboot and How to change?
- Q18. What is an optional class and its use?
- Q19. Optional.Of() vs Optional.ofNullable()
- Q20. Write SQL query to find highest salary.
- Q21. What is a Rest template?
(7 Questions)
- Q1. Tell me about your project and what is your day-to-day work?
- Q2. If a bunch of freshers joined your projects, they are not very competent about the skills you required in your project then how do you handle this situation?
- Q3. If you get negative feedback from your manager then how will you tackle this situation?
- Q4. If you project is going to end and you found a bug in the application then what actions will you take?
- Q5. What is your long term and short term goals?
- Q6. Why are you leaving your current organization?
- Q7. If you have been assigned to a project and you're not compatible with required skills then what will you do? Will you reject the project?
(1 Question)
- Q1. Current and Expected Salary?
Interview Preparation Tips
Top Infosys Java Developer Interview Questions and Answers
Java Developer Interview Questions asked at other Companies
Govind Gadiya
I was interviewed in Feb 2025.
(34 Questions)
- Q1. Why is Java not considered a pure object-oriented programming language?
- Q2. What are the data types supported by Java?
- Q3. What is autoboxing and unboxing in Java?
- Q4. What are the default values of all type of variables in java?
- Q5. Apart from Security aspect, What are the reasons that String is immutable in Java?
- Q6. What are the difference between String , StringBuffer and StringBuilder?
- Q7. If a class have multiple main methods with same signature and arguments, then what happens?
- Q8. Is overloading of main methods is possible in java?
- Q9. What is garbage collection in java?
- Ans.
Garbage collection in Java is an automatic memory management process that reclaims memory by removing unreferenced objects.
Java uses a garbage collector to manage memory automatically.
Objects that are no longer referenced are eligible for garbage collection.
The garbage collector runs in the background and can be triggered manually using System.gc().
Different garbage collection algorithms exist, such as Mark-and-Sweep a...
- Q10. When an object is eligible for garbage collection?
- Q11. Explain collection and all of its basic interfaces?
- Q12. How HashMap works works internally?
- Ans.
HashMap stores key-value pairs using a hash table, allowing for efficient data retrieval and storage.
Uses an array of buckets to store entries, where each bucket can hold multiple entries in case of collisions.
Calculates the hash code of the key using the hash function, which determines the index in the array.
If two keys hash to the same index, a linked list or tree structure is used to store multiple entries (collisio...
- Q13. What is the difference between HashMap and HashTable?
- Q14. What is the difference between HashSet and TreeSet?
- Q15. What is Sterilization in Java?
- Q16. When I want an variable to not participate in Sterilization, How can I achieve this?
- Q17. What are the types of Exception in Java?
- Ans.
Java exceptions are categorized into checked and unchecked exceptions, each serving different error handling purposes.
Checked Exceptions: Must be declared or handled. Example: IOException.
Unchecked Exceptions: Runtime exceptions that do not need to be declared. Example: NullPointerException.
Errors: Serious issues that applications should not try to catch. Example: OutOfMemoryError.
Custom Exceptions: User-defined except...
- Q18. Can we use multiple catch block for a single try block in java?
- Q19. If we have return statement in both try and catch, Which will execute first?
- Q20. Can we remove finally block in java?
- Q21. What is Encapsulation in Java?
- Ans.
Encapsulation in Java is a fundamental OOP principle that restricts direct access to object data and methods.
Encapsulation is achieved using access modifiers (private, protected, public).
Example: A class with private variables and public getter/setter methods.
It helps in data hiding, ensuring that sensitive data is not exposed.
Encapsulation improves code maintainability and flexibility.
Example: Changing the internal im
- Q22. What is the use of super keyword in java?
- Ans.
The super keyword in Java is used to refer to the immediate parent class's methods and constructors.
Access parent class methods: super.methodName();
Access parent class constructors: super();
Resolve name conflicts: Use super to differentiate between parent and child class members.
Example: class Parent { void display() { System.out.println('Parent'); } } class Child extends Parent { void display() { super.display(); Syst
- Q23. Can we call a Constructor from another Constructor in Java?
- Q24. If we have a private static method in Java, Then can we override it? Why and why not?
- Q25. What are Exception rules for inheritance in Java?
- Q26. What is Servlet?
- Q27. What are JSP filters?
- Q28. What are Java Design Patterns?
- Q29. Explain about current project and your role in the project?
- Q30. Explain about your personal project?
- Q31. What is Spring Framework?
- Q32. What are the Development tools you are using in your project?
- Q33. How many ways we can create threads in Java?
- Ans.
In Java, threads can be created using two primary methods: extending Thread class and implementing Runnable interface.
1. Extending Thread Class: Create a new class that extends the Thread class and override the run() method. Example: class MyThread extends Thread { public void run() { ... } }
2. Implementing Runnable Interface: Create a class that implements the Runnable interface and override the run() method. Example:...
- Q34. Explain about Java memory model?
Interview Preparation Tips
Selected
I was interviewed in Sep 2024.
(12 Questions)
- Q1. How will you convince senior developers to create sub tasks
- Ans.
Encouraging senior developers to create sub-tasks enhances clarity, accountability, and project efficiency.
Improves clarity: Breaking down tasks into sub-tasks clarifies the work required, making it easier for everyone to understand.
Enhances accountability: Sub-tasks assign specific responsibilities, fostering ownership among team members.
Facilitates progress tracking: Smaller tasks allow for better tracking of progres...
- Q2. Does PO assign stories directly to dev
- Ans.
The Product Owner (PO) typically does not assign stories directly to developers; this is a collaborative process.
The PO prioritizes the backlog, but the team decides how to distribute work.
Developers select stories during sprint planning based on capacity and expertise.
For example, a developer may choose a story that aligns with their skills.
This fosters ownership and accountability within the team.
- Q3. What are your learning’s from retrospectives.
- Ans.
Retrospectives provide valuable insights for continuous improvement in team dynamics and processes.
Encourages open communication: Teams feel safe to share their thoughts, leading to better collaboration. For example, a team member might express concerns about workload.
Identifies areas for improvement: Teams can pinpoint specific issues, such as bottlenecks in the workflow, and develop actionable solutions.
Celebrates su...
- Q4. Conflict between PO and Dev real life scenarios and mitigation
- Q5. Type of risks
- Ans.
Risks in projects can be categorized into various types, impacting timelines, quality, and stakeholder satisfaction.
Technical Risks: Issues with technology or tools, e.g., outdated software causing integration problems.
Operational Risks: Failures in processes, e.g., a key team member leaving unexpectedly.
Financial Risks: Budget overruns, e.g., unexpected costs due to scope changes.
Market Risks: Changes in market demand...
- Q6. How will you convince people to attend stand up
- Ans.
Engaging team members in stand-ups enhances collaboration and accountability, leading to better project outcomes.
Highlight the benefits: Explain how stand-ups improve communication and help identify blockers early.
Set a clear agenda: Ensure each stand-up has a purpose, focusing on progress, plans, and obstacles.
Lead by example: As a Scrum Master, consistently attend and participate actively to demonstrate commitment.
En...
- Q7. What values you expect from developers
- Ans.
Developers should embody collaboration, accountability, continuous improvement, and respect for each other and the process.
Collaboration: Actively participate in team discussions and share knowledge. For example, pair programming can enhance code quality.
Accountability: Take ownership of tasks and deliverables. If a developer misses a deadline, they should communicate proactively.
Continuous Improvement: Embrace feedbac...
- Q8. Difference between sprint and iteration
- Ans.
Sprints are specific iterations in Scrum, focusing on delivering increments of product functionality within a set timeframe.
Sprints are time-boxed iterations in Scrum, typically lasting 1-4 weeks.
Iterations can refer to any repeated cycle in Agile methodologies, not limited to Scrum.
In Scrum, each sprint aims to produce a potentially shippable product increment.
Iterations in other frameworks (like XP) may focus on cont...
- Q9. Scrum ceremonies you conduct
- Ans.
I facilitate Scrum ceremonies to enhance team collaboration, transparency, and continuous improvement.
Daily Stand-up: A 15-minute meeting where team members share updates, challenges, and plans for the day.
Sprint Planning: A session to define the sprint goal and select backlog items to work on, ensuring alignment with the product vision.
Sprint Review: A meeting at the end of the sprint to showcase completed work to sta...
- Q10. Which meetings does po join
- Q11. What is velocity, if it decreases is it a matter of concern? Does velocity imply that the productivity is good?
- Ans.
Velocity measures a team's work output in Scrum; a decrease can indicate issues but doesn't solely define productivity.
Velocity is the amount of work a team completes in a sprint, usually measured in story points.
A decrease in velocity can indicate potential issues such as team burnout, unclear requirements, or external disruptions.
Velocity should be analyzed over multiple sprints to identify trends rather than focusin...
- Q12. What is burn down and burn up chart
- Ans.
Burn down and burn up charts are visual tools used in Agile to track progress and manage work in a project.
Burn Down Chart: Shows remaining work over time, helping teams visualize progress towards completion.
Example: A team has 100 story points at the start of a sprint; the chart shows points remaining after each day.
Burn Up Chart: Displays completed work over time, indicating how much has been achieved against the tot...
(4 Questions)
- Q1. What is sprint review
- Ans.
A sprint review is a collaborative meeting to inspect the increment and adapt the product backlog based on feedback.
Occurs at the end of each sprint to showcase completed work.
Involves the Scrum Team and stakeholders to gather feedback.
Focuses on what was done, what wasn't, and why.
Example: A demo of a new feature developed during the sprint.
Helps in adapting the product backlog for future sprints.
- Q2. Confidence in retrospective
- Q3. Learning curve in present organisation
- Ans.
The learning curve in my organization emphasizes continuous improvement and adaptability through hands-on experience and feedback.
Regular training sessions are held to enhance team skills, such as workshops on Agile methodologies.
Mentorship programs pair experienced team members with newcomers to accelerate their learning.
We conduct retrospectives after each sprint to identify areas for improvement and share lessons le...
- Q4. Why do you want to switch
- Ans.
I want to switch to a Scrum Master Consultant role to leverage my passion for agile methodologies and drive team success.
Desire to foster collaboration: I believe in the power of teamwork and want to help teams communicate effectively.
Passion for agile principles: I am excited about implementing agile practices that enhance productivity and adaptability.
Experience in coaching: I have previously mentored teams in agile ...
Interview Preparation Tips
Top Infosys Scrum Master Consultant Interview Questions and Answers
Scrum Master Consultant Interview Questions asked at other Companies
Infosys interview questions for popular designations
I was interviewed in Feb 2025.
(3 Questions)
- Q1. What are different types of document splitting
- Ans.
Document splitting in SAP FI allows for detailed financial reporting by segmenting financial documents based on defined criteria.
1. Basic Document Splitting: Splits documents based on account assignment objects like cost centers or profit centers.
2. Segment Reporting: Allows for financial reporting by segments, ensuring compliance with IFRS and other regulations.
3. Profit Center Splitting: Ensures that transactions are...
- Q2. Difference between KOFI and KOFA in FI-SD integration
- Ans.
KOFI and KOFA are key figures in SAP FI-SD integration, representing different financial data aspects.
KOFI (Key Figure for Invoice) is used to track invoice-related data in FI.
KOFA (Key Figure for Actuals) focuses on actual financial postings and their impact.
KOFI is primarily concerned with sales invoices, while KOFA deals with overall financial performance.
For example, KOFI would show the total amount invoiced to cus...
- Q3. What is FI-MM Integration
- Ans.
FI-MM Integration connects Financial Accounting with Materials Management in SAP for seamless financial and inventory management.
Integration ensures that all inventory movements are reflected in financial accounts.
For example, when goods are received, the system automatically updates the inventory and accounts payable.
It allows for real-time tracking of costs associated with materials, enhancing financial reporting acc...
(1 Question)
- Q1. Configuration of Assets in SAP
(1 Question)
- Q1. Basic discussion on current job
Top Infosys SAP FI Consultant Interview Questions and Answers
SAP FI Consultant Interview Questions asked at other Companies
Get interview-ready with Top Infosys Interview Questions
Selected
(3 Questions)
- Q1. Work in email, process assierent my email link my email krishna12345@gmail,com in other companey my cv accept my cv my pn XXXXX
- Q2. When i can join in this companey in inforces
- Q3. I can when i can comeing in wiporo jion in job
Interview Preparation Tips
Customer Support Executive Interview Questions asked at other Companies
Jobs at Infosys
Selected
(2 Questions)
- Q1. What are your salary expectations?
- Ans.
My salary expectations are in line with industry standards and based on my experience and qualifications.
Research industry standards for Infrastructure Management Consultant salaries
Consider my level of experience and qualifications
Be prepared to negotiate based on the specific job responsibilities and benefits package
- Q2. What has been your experience in each of the companies you have worked for?
- Ans.
I have worked for three companies with varying sizes and industries, gaining experience in infrastructure management, project planning, and team leadership.
Managed infrastructure projects for a large tech company, overseeing network upgrades and server migrations
Led a team of IT professionals in a medium-sized financial institution, implementing disaster recovery plans and security protocols
Worked as a consultant for a...
(4 Questions)
- Q1. Can you tell me about yourself?
- Q2. Could you briefly describe the companies you have worked for?
- Ans.
I have worked for a variety of companies in the technology and infrastructure sector.
Worked for a multinational IT consulting firm
Managed infrastructure projects for a Fortune 500 company
Consulted for a government agency on infrastructure upgrades
- Q3. What technologies have you worked with, and what was your role in each?
- Ans.
I have worked with various technologies such as cloud computing, virtualization, network management, and cybersecurity.
Cloud computing - Managed AWS infrastructure for scalability and cost-efficiency.
Virtualization - Implemented VMware solutions to optimize server resources.
Network management - Configured Cisco routers and switches for efficient data flow.
Cybersecurity - Conducted vulnerability assessments and implemen
- Q4. What are some use case studies related to the technologies you have worked with?
- Ans.
Implemented a cloud migration project for a large financial institution
Led a team to assess current infrastructure and develop a migration plan
Utilized AWS services to migrate applications and data to the cloud
Ensured minimal downtime and optimized performance post-migration
Interview Preparation Tips
Infrastructure Management Consultant Interview Questions asked at other Companies
Selected
I was interviewed in Sep 2024.
(2 Questions)
- Q1. Can you explain the architecture of a company like MakeMyTrip?
- Q2. Springboot, microsevice related questions
(1 Question)
- Q1. Can you provide a high-level system design of your project and describe the new features you are currently working on?
Lead Java Developer Interview Questions asked at other Companies
Selected
I was interviewed in Dec 2024.
(11 Questions)
- Q1. Introduce yourself
- Ans.
I am a dedicated and detail-oriented business analyst with a strong background in data analysis and problem-solving.
Experienced in conducting market research and analyzing trends
Skilled in creating detailed reports and presentations for stakeholders
Proficient in using data analysis tools such as Excel and SQL
- Q2. Defference between Implicit And Explicit enhancement
- Ans.
Implicit enhancements are enhancements that are automatically applied to a program without any explicit coding, while explicit enhancements are enhancements that are manually added to a program through coding.
Implicit enhancements are activated by SAP without any additional coding from the developer.
Explicit enhancements require the developer to manually add code to enhance the program.
Implicit enhancements are often u...
- Q3. What defferet type of enhancement and explain each
- Ans.
Different types of enhancements include functional, performance, security, and usability enhancements.
Functional enhancements improve the core functionality of a system or product.
Performance enhancements focus on improving speed, efficiency, and scalability.
Security enhancements aim to protect the system from potential threats and vulnerabilities.
Usability enhancements enhance the user experience and make the system m
- Q4. How to debug backgroud job
- Ans.
Debugging background jobs involves checking logs, monitoring job status, and using debugging tools.
Check the logs for any error messages or warnings
Monitor the job status to see if it is running or stuck
Use debugging tools like debugger or profiler to analyze the code execution
Check for any dependencies or external factors affecting the job
- Q5. How debug smartforms
- Ans.
Debugging smartforms involves identifying and fixing errors in the form design or code.
Check for syntax errors in the smartform code
Verify data binding and field mappings
Use debugging tools like breakpoints and watchpoints
Test the smartform with sample data to identify issues
Consult documentation or seek help from experienced developers
- Q6. Which bapi you have used
- Ans.
I have used the BAPI_MATERIAL_GET_DETAIL to retrieve material details in SAP system.
BAPI_MATERIAL_GET_DETAIL is used to fetch material master data in SAP
It can be used to retrieve information such as material description, unit of measure, and plant data
Example: BAPI_MATERIAL_GET_DETAIL('MaterialNumber')
- Q7. What is file handling
- Ans.
File handling is the process of managing and manipulating files on a computer system.
File handling involves tasks such as creating, reading, writing, and deleting files.
It also includes operations like opening and closing files, as well as moving and copying files.
Examples of file handling functions include fopen(), fread(), fwrite(), and fclose() in programming languages like C or Python.
- Q8. Which FM is used to upload data
- Ans.
The FM used to upload data is 'UPLOAD_DATA'
The FM 'UPLOAD_DATA' is commonly used in SAP systems to upload data from external sources
It is often used in data migration projects or when bulk data needs to be imported into the system
The 'UPLOAD_DATA' FM typically requires input parameters such as file path, data format, and target table
- Q9. TMG events senario question
- Q10. How ro make table feild case sensitive
- Ans.
To make a table field case sensitive, you can change the collation of the column to a case-sensitive collation.
Change the collation of the column to a case-sensitive collation like Latin1_General_CS or SQL_Latin1_General_CP1_CS_AS
For example, ALTER TABLE table_name ALTER COLUMN column_name COLLATE Latin1_General_CS_AS
- Q11. Why we need to use BSPI instead od Update qury
- Ans.
BSPI is used instead of Update query for real-time data processing and to ensure data consistency.
BSPI (Business Service Provider Interface) is used for real-time data processing in SAP systems.
BSPI ensures data consistency by providing a standardized way to update data across different systems.
Update queries can be risky for real-time data processing as they may lead to data inconsistencies.
BSPI allows for better erro...
(12 Questions)
- Q1. Introduce yourself
- Ans.
I am a detail-oriented business analyst with experience in data analysis and process improvement.
Experienced in data analysis and reporting
Skilled in process improvement and optimization
Strong attention to detail and problem-solving skills
- Q2. What is the defference between Explicit and implicit enhancement
- Ans.
Explicit enhancements are modifications made directly to a standard SAP object, while implicit enhancements are modifications made using enhancement points provided by SAP.
Explicit enhancements involve directly modifying the standard SAP object code.
Implicit enhancements involve using enhancement points provided by SAP to add custom code.
Explicit enhancements can be risky as they may be overwritten during system upgrad...
- Q3. Explain Customer Exit requirements on which u worked
- Ans.
Customer Exit requirements involve defining conditions under which a customer can end their relationship with a company.
Identifying reasons why customers may want to exit the relationship
Defining the process for customers to formally request an exit
Determining any penalties or fees associated with exiting
Ensuring data privacy and security during the exit process
Developing strategies to retain customers before they exit
- Q4. Different type of FM
- Ans.
FM stands for Facilities Management, which includes various types such as Hard FM and Soft FM.
Hard FM involves physical assets like buildings and equipment maintenance.
Soft FM focuses on non-physical assets like cleaning, security, and catering services.
Other types include Integrated FM, Total FM, and Strategic FM.
Examples: Hard FM - HVAC maintenance, Soft FM - janitorial services.
- Q5. How to create BAPI
- Ans.
BAPIs are created using transaction code BAPI in SAP system.
BAPIs are created using transaction code BAPI in SAP system.
BAPIs are defined using Function Modules in SAP.
BAPIs are used to integrate SAP systems with external systems.
BAPIs can be created for both standard SAP functions and custom functions.
- Q6. Tcode for code optimization
- Ans.
Tcode for code optimization is SE30 in SAP
SE30 is a transaction code in SAP used for performance trace and analysis
It helps in identifying performance bottlenecks in ABAP code
SE30 provides detailed analysis of runtime, database, and memory consumption
- Q7. How to optimize code
- Ans.
Code optimization involves improving code efficiency and performance.
Identify and remove unnecessary code
Use efficient data structures and algorithms
Minimize the number of function calls
Optimize loops and conditional statements
Use caching and memoization techniques
Profile and analyze code for bottlenecks
- Q8. Tcode for ADOBE Form
- Ans.
The Tcode for ADOBE Form is SFP.
Tcode SFP is used to create and maintain Adobe Forms in SAP systems.
Adobe Forms are used for designing and formatting business documents like invoices, purchase orders, etc.
- Q9. Have you worked on Module Pool
- Ans.
Yes, I have worked on Module Pool in SAP ABAP development.
I have experience creating interactive screens using Module Pool programming in SAP ABAP.
I have worked on designing screens with input fields, buttons, and logic to process user input.
I have implemented navigation between screens and data validation in Module Pool.
I have integrated Module Pool programs with backend ABAP logic for data processing.
I have experienc...
- Q10. Tcodes related to IDOC
- Q11. What is the use of Commite statement
- Ans.
Commit statement is used to permanently save changes made in a transaction in a database.
Commits all changes made in a transaction to the database
Permanently saves the changes
Ends the transaction and makes the changes visible to other transactions
- Q12. On which repprys u have worked
(3 Questions)
- Q1. Why there is gap of 1 year after completing your graduation to getting job
- Ans.
To gain practical experience and skills through internships, certifications, and volunteer work before securing a full-time job.
Took time to gain practical experience through internships, certifications, and volunteer work
Focused on developing skills and knowledge in relevant areas
Used the gap year to explore different career options and industries
Took time to travel or pursue personal interests before committing to a
- Q2. Preferred location
- Ans.
I am open to relocation for the right opportunity.
Open to relocation for career growth
Interested in exploring new cities
Flexible with location preferences
- Q3. Salary discussion
Interview Preparation Tips
Top Infosys Associate Business Analyst Interview Questions and Answers
Associate Business Analyst Interview Questions asked at other Companies
Prerana Vijay Bendale
(2 Questions)
- Q1. What is paython
- Ans.
Python is a high-level programming language known for its simplicity and readability.
Python is an interpreted language, meaning code is executed line by line.
It supports multiple programming paradigms like object-oriented, imperative, and functional programming.
Python has a large standard library and a thriving community with numerous third-party libraries.
Popular frameworks like Django and Flask are built using Python...
- Q2. What is oops concepts
- Ans.
Object-oriented programming concepts that focus on classes and objects.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Ability of a class to inherit properties and behavior from another class.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation details and showing only the necessary features.
Aptitude test questions
(2 Questions)
- Q1. What is machine learning
- Ans.
Machine learning is a branch of artificial intelligence that involves developing algorithms and models that can learn from and make predictions or decisions based on data.
Machine learning is a subset of artificial intelligence that focuses on developing algorithms that can learn from and make predictions or decisions based on data.
It involves training models on large datasets to recognize patterns and make predictions ...
- Q2. Machine learning example
- Ans.
An example of machine learning is training a model to predict customer churn in a telecom company.
Collect and preprocess data on customer behavior and churn
Split data into training and testing sets
Choose a machine learning algorithm (e.g. logistic regression)
Train the model on the training data
Evaluate the model's performance on the testing data
Use the model to predict customer churn in the future
Aptitude test questions
(2 Questions)
- Q1. What is artificial intelligence
- Ans.
Artificial intelligence is the simulation of human intelligence processes by machines, especially computer systems.
AI involves machines performing tasks that typically require human intelligence, such as visual perception, speech recognition, decision-making, and language translation.
Machine learning is a subset of AI that allows machines to learn from data and improve their performance over time.
Examples of AI include...
- Q2. Type of artificial intelligence
- Ans.
There are three types of artificial intelligence: narrow AI, general AI, and superintelligent AI.
Narrow AI, also known as weak AI, is designed for a specific task or set of tasks, such as facial recognition or language translation.
General AI, also known as strong AI, is able to perform any intellectual task that a human can do.
Superintelligent AI is hypothetical and would surpass human intelligence in every way.
Example...
Top Infosys Python Software Developer Interview Questions and Answers
Python Software Developer Interview Questions asked at other Companies
Selected
I was interviewed in Feb 2025.
(2 Questions)
- Q1. Some deep question on stream API of Java8
- Q2. Two program questions -> Anagram String and find first non repeating character from a string
(2 Questions)
- Q1. Questions on Product development phases
- Q2. Questions on Agile methodologies
Interview Preparation Tips
Top Infosys Senior Software Engineer Interview Questions and Answers
Senior Software Engineer Interview Questions asked at other Companies
What people are saying about Infosys
Infosys Interview FAQs
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The duration of Infosys interview process can vary, but typically it takes about less than 2 weeks to complete.
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- System Engineer Interview Questions
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Rating in categories
Hyderabad / Secunderabad,
Chennai
+15-10 Yrs
Not Disclosed
|
Technology Analyst
55.6k
salaries
|  ₹0 L/yr - ₹0 L/yr |
|
Senior Systems Engineer
50.7k
salaries
| ₹0 L/yr - ₹0 L/yr |
|
System Engineer
39.6k
salaries
| ₹0 L/yr - ₹0 L/yr |
|
Technical Lead
30.7k
salaries
| ₹0 L/yr - ₹0 L/yr |
|
Senior Associate Consultant
28.1k
salaries
| ₹0 L/yr - ₹0 L/yr |
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