Infosys Interview Questions, Process, and Tips

Q1. Java 8 questions, OOPS,spring
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Q2. Find the smallest element in array using java8
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Q1. Salary discusssion
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Q2. What is your expected CTC
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Q1. What are the authentication and authorization mechanisms in .NET Core?
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Q2. What are delegates in .NET?
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Q3. Multithreading concept
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Fundamental questions regarding Python and Django.

Q1. Can you provide details about your work experience in your current company?
Ans. 
I have been working as a Python Software Developer for the past 3 years in a tech company.
• Developed and maintained Python applications for data analysis and visualization.

• Collaborated with cross-functional teams to design and implement new features.

• Optimized code for performance and scalability.

• Utilized Django framework for web development projects.

• Implemented automated testing to ensure code quality and reliability.
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Q2. What problems did you face, and how did you tackle them?
Ans. 
I faced challenges with optimizing code performance and resolved them through code refactoring and using efficient data structures.
• Identified bottlenecks in the code by profiling and analyzing performance metrics

• Refactored code to improve efficiency and reduce execution time

• Utilized data structures like dictionaries and sets for faster data retrieval

• Implemented caching mechanisms to store and reuse computed results
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Three coding questions based on dynamic programming must be answered within three hours.

Q1. Questions based on Resume and Technical skills
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Q2. Deep Knowledge Of SQL , DSA
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Q1. What is @SpringbootAnnotation and what is difference between @Controller and @RestController.
Ans. 
SpringBootAnnotation is used to enable Spring Boot features in a Java application. @Controller is used for MVC pattern, @RestController is used for RESTful web services.
• SpringBootAnnotation is used to enable Spring Boot features like auto-configuration, component scanning, etc.

• @Controller is used for MVC pattern to handle web requests and return a view, while @RestController is used for RESTful web services to return d...read more
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Q2. What is Stream API write the Stream API Code any code and lambda expression.
Ans. 
Stream API in Java provides a way to process collections of objects in a functional style.
• Stream API allows for easy manipulation of collections using functional programming concepts like map, filter, and reduce.

• Example: List names = Arrays.asList("Alice", "Bob", "Charlie"); names.stream().filter(name -> name.startsWith("A")).forEach(System.out::println);

• Lambda expressions can be used with Stream API to define behavio...read more
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