Infosys Interview Questions, Process, and Tips

Q1. What is stream api?
Ans. 
Stream API is a feature in Java that allows processing collections of objects in a functional style.
• Stream API provides a way to perform operations on collections such as filter, map, reduce, etc.

• It supports functional programming paradigms like lambda expressions and method references.

• Stream API can improve code readability and maintainability by enabling concise and expressive code.

• Example: List names = Arrays.asList...read more
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Q2. Spring Boot annotations
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Q1. What are your Expectations
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I expect challenging projects, opportunities for growth, supportive team environment, and work-life balance.
• Challenging projects that allow me to utilize my skills and learn new ones

• Opportunities for professional growth and advancement within the company

• A supportive team environment where collaboration and communication are valued

• Work-life balance to ensure I can perform at my best both at work and in my personal life
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Q2. Why should we hire you
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I am a dedicated and results-driven individual with a strong work ethic and a proven track record of success in similar roles.
• I have relevant experience and skills that align with the requirements of the position

• I am a quick learner and adaptable to new environments

• I am highly motivated and committed to delivering high-quality work

• I have a strong ability to work well in a team and communicate effectively with clients a
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Q1. What is POM ?
Ans. 
POM stands for Page Object Model, a design pattern used in test automation to create reusable and maintainable test scripts.
• POM separates the test scripts from the page objects, making the code more organized and easier to maintain.

• Each page in the application has its own corresponding page object class, which contains the locators and methods to interact with that page.

• By using POM, changes to the UI can be easily man...read more
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Q2. Write a Program to count occurrences' of specific character in String
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Program to count occurrences of specific character in a String
• Iterate through each character in the string

• Check if the character matches the specific character

• Increment a counter if there is a match
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Q3. Write a program where Input is 'demo' and and get output as 'deemmmoooo'
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Program to repeat characters in a string based on their position
• Iterate through each character in the input string

• Repeat each character based on its position in the string

• Concatenate the repeated characters to form the output string
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Q1. Write a program to reversed string
Ans. 
Program to reverse a string using array of characters
• Create a character array from the input string

• Use two pointers to swap characters from start and end of the array

• Repeat until the pointers meet in the middle
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Q2. Write selenium logic to close all windows and keep one window open
Ans. 
Use Selenium logic to close all windows except one.
• Get all window handles using driver.getWindowHandles()

• Iterate through each window handle and close it except for the desired window

• Switch to the desired window using driver.switchTo().window()
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Q3. Write a program to get sum of all digits from String ex. "5g556fdf"
Ans. 
Program to get sum of all digits from a string
• Iterate through each character in the string

• Check if the character is a digit using Character.isDigit() method

• If it is a digit, convert it to integer and add it to a running sum
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Q1. Mule architecture
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Q2. Api ledu connectivity
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Q1. About salary discussion
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Q2. About location constraints
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Simple reverse string
form with validation

Q1. Describe Oops concept with real world examples?
Ans. 
Oops concept is a programming paradigm that focuses on objects and classes to organize code and improve reusability.
• Oops concept stands for Object-Oriented Programming System

• It includes concepts like inheritance, polymorphism, encapsulation, and abstraction

• Real world examples include a car (object) with properties like color, model, and methods like start, stop, accelerate

• Another example is a bank account (object) with...read more
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Q2. What is SDLC and explain each stage?
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SDLC stands for Software Development Life Cycle, which is a process used by software development teams to design, develop, and test high-quality software.
• 1. Planning: Define the project scope, requirements, and create a project plan.

• 2. Analysis: Gather and analyze requirements from stakeholders.

• 3. Design: Create a detailed design of the software based on requirements.

• 4. Implementation: Develop the software based on the...read more
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Q3. Explain in detaild the project you did in your academic?
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Developed a smart irrigation system using IoT technology
• Researched different IoT sensors and devices for monitoring soil moisture levels

• Designed a mobile application for users to remotely control the irrigation system

• Implemented machine learning algorithms to predict optimal watering schedules

• Conducted field tests to validate the system's effectiveness

• Presented the project at a university symposium
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Medium to hard DA Algo Questions

Q1. Medium level coding question
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Q2. SQL, Python and Oops questions
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