Infosys Interview Questions, Process, and Tips for Experienced

I have prepared for the Tech Lead role by gaining experience in leading technical projects, improving my communication skills, and staying updated on industry trends.

• Led technical projects at previous companies

• Improved communication skills through presentations and team collaborations

• Stayed updated on industry trends by attending conferences and online courses

Clustered index physically reorders the data in the table, while non-clustered index creates a separate structure.

• Clustered index determines the physical order of data rows in a table.

• Non-clustered index creates a separate structure to store the index data.

• Clustered index is faster for retrieval but slower for inserts and updates.

• Non-clustered index is slower for retrieval but faster for inserts and updates.

Object-oriented programming (OOP) is a programming paradigm based on the concept of objects, which can contain data in the form of fields (attributes or properties) and code in the form of procedures (methods).

• OOP focuses on creating objects that interact with each other to solve a problem.

• Key concepts include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation involves bundling data and methods tha...read more

MVC stands for Model-View-Controller. Controller is a component that handles user input and updates the model and view accordingly.

• MVC is a software design pattern commonly used in web development

• Controller is responsible for handling user input and updating the model and view

• Controller acts as an intermediary between the model and the view

• Examples: ASP.NET MVC, Spring MVC, Ruby on Rails

Coroutines are a way to perform asynchronous programming in Android. Builder type is used to create and configure a coroutine.

• Coroutines in Android are used for managing asynchronous tasks without blocking the main thread.

• Builder type is used to create a coroutine with specific configuration options.

• Example: 'launch' is a builder type used to start a new coroutine.

Unit testing is a software testing method where individual units or components of a software are tested in isolation.

• Unit testing helps in identifying bugs early in the development process.

• It ensures that each unit of code works correctly on its own.

• Unit tests are typically written using testing frameworks like JUnit or Mockito.

• Example: Testing a function that calculates the sum of two numbers.

SDLC stands for Software Development Life Cycle. It is a process used by software development teams to design, develop, and test high-quality software.

• SDLC consists of several phases including planning, analysis, design, implementation, testing, and maintenance.

• Each phase has its own set of activities and deliverables that contribute to the overall success of the project.

• For example, in the planning phase, project scop...read more

Selenium framework is a test automation tool that uses different keywords to interact with web elements.

• Selenium framework allows testers to write automated tests using various keywords like 'click', 'sendKeys', 'getText', etc.

• These keywords are used to perform actions on web elements such as buttons, input fields, and links.

• By using these keywords, testers can create robust and maintainable test scripts for web applic...read more

OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.

• OOPs focuses on creating objects that contain data and methods to manipulate that data.

• Characteristics of OOPs include encapsulation, inheritance, polymorphism, and abstraction.

• Collection classes in OOPs are used to store and manipulate groups of objects, such as lists, sets, and maps.

SDLC stands for Software Development Life Cycle. It is a process used by software development teams to design, develop, and test high-quality software.

• Phases of SDLC include planning, analysis, design, implementation, testing, and maintenance.

• Each phase has its own set of activities and deliverables to ensure the successful completion of the software project.

• For example, in the planning phase, project scope and objecti...read more