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TCS Software Developer Interview Questions and Answers
238 Interview questions
Oops concept stands for Object-Oriented Programming concepts which include principles like inheritance, polymorphism, encapsulation, and abstraction.
Oops concept is based on the idea of objects and classes.
It includes principles like inheritance, where a class can inherit properties and methods from another class.
Polymorphism allows objects to be treated as instances of their parent class.
Encapsulation involves bu...
Abstract class is a class that can have abstract methods and concrete methods, while interface is a contract that defines methods that a class must implement.
Abstract class can have both abstract and concrete methods, while interface can only have abstract methods.
A class can implement multiple interfaces but can only inherit from one abstract class.
Abstract classes can have constructors, fields, and properties, w...
An interface in software development defines a contract for classes to implement, specifying methods and properties that must be included.
Interfaces in programming languages like Java or C# allow for multiple inheritance by defining a set of methods that a class must implement.
Interfaces are used to enforce a certain behavior in classes that implement them.
Interfaces provide a way to achieve abstraction and polymo...
Insert integer into Binary Search Tree (BST) in a recursive manner.
Create a new node with the integer value to be inserted.
Compare the value with the current node's value and recursively insert it in the left subtree if smaller or right subtree if larger.
Update the left or right child of the current node accordingly.
What people are saying about TCS
Cloud computing is the delivery of computing services over the internet, including storage, databases, networking, software, and more.
Allows users to access and use resources on-demand
Reduces the need for physical hardware and infrastructure
Examples: Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform
Static variables are variables that retain their values throughout the program's execution and are accessed using the class name.
Static variables are declared using the 'static' keyword.
They are shared among all instances of a class.
Static variables are accessed using the class name followed by the dot operator.
Example: ClassName.staticVariableName;
Projects are specific tasks or assignments that software developers work on to create or improve software applications.
Projects involve defining requirements, designing solutions, coding, testing, and implementing software applications.
Examples of projects include developing a new mobile app, creating a website for a client, or improving the functionality of an existing software system.
Null value represents a variable with no value assigned to it.
Null value is used to indicate that a variable does not have a value.
It is different from an empty string or zero.
Null is often used in databases to represent missing or unknown data.
In programming languages like Java, C#, and JavaScript, null is a special value that represents the absence of a value.
Cond parameter is a conditional parameter used in programming to execute different code based on a specified condition.
Cond parameter is often used in functions or methods to determine which block of code to execute based on a given condition.
It can be used with if-else statements, switch statements, or ternary operators.
Example: if(cond) { // execute code if condition is true } else { // execute code if condition...
Object-Oriented Programming (OOP) is a programming paradigm based on objects and classes, promoting code reusability and organization.
Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).
Inheritance: Mechanism where a new class inherits properties and behavior from an existing class (e.g., a 'Dog' class inheriting from an 'Animal' class).
Polymorphism: Ability to present...
TCS Software Developer Interview Experiences
541 interviews found
Anonymous
Selected
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. Be ready to explain and implement common data structures like arrays, linked lists, trees, and graphs, and algorithms like sorting and searching.
- Q2. Expect questions on basic programming concepts like loops, conditions, and data types, as well as your preferred programming language
- Q3. Be prepared to discuss networking concepts like TCP/IP, IP addressing, and network protocols.
- Q4. Understand OOPs concepts like classes, objects, inheritance, polymorphism, and abstraction.
chandrika gadaputi
I appeared for an interview in Dec 2024.
Numerical aptitude test, logical reasoning test, and technical aptitude test.
Case study GD, topic based GD,Role_play GD
(5 Questions)
- Q1. Can you tell me yourself ?
- Ans.
I am a software developer with 5 years of experience in Java, Python, and SQL.
5 years of experience in Java, Python, and SQL
Strong problem-solving skills
Experience working in Agile development environment
Familiarity with version control systems like Git
- Q2. How did you hear about this role?
- Ans.
I found this role through a job posting on LinkedIn.
Saw job posting on LinkedIn
Applied through company website
Referred by a friend who works at the company
- Q3. What are your long term career goals?
- Ans.
My long term career goal is to become a senior software architect and lead a team of developers to create innovative solutions.
Work towards gaining expertise in various programming languages and technologies
Take on leadership roles in projects to develop management and communication skills
Attend industry conferences and workshops to stay updated on latest trends and advancements
Seek opportunities for mentorship and pro...
- Q4. Do you have any questions for me ?
- Q5. What do you know about our company?
- Ans.
Your company is a leading software development firm specializing in creating innovative solutions for various industries.
Your company has a strong reputation for delivering high-quality software products.
You have a diverse portfolio of clients from different industries.
Your company values innovation and creativity in software development.
Your team is known for its expertise in cutting-edge technologies like AI and bloc...
(2 Questions)
- Q1. What is your favourite programming language?
- Ans.
My favorite programming language is Python because of its simplicity, readability, and versatility.
Python is known for its clean and readable syntax, making it easy to learn and understand.
Python has a large standard library with built-in modules for various tasks, reducing the need for external libraries.
Python is versatile and can be used for web development, data analysis, artificial intelligence, and more.
- Q2. Can you explain the concept of object oriented programming?
- Ans.
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
Objects are instances of classes, which define the structure and behavior of the objects.
Encapsulation is the concept of bundling data and methods that operate on the data within a single unit, such as a class.
Inheritance allows classes to inherit attribu...
Interview Preparation Tips
- General tropics
- Communication Skills
- Time Management
- Leadership Skills
Update your resume and online profiles
Research the company
Sri Nisha
Selected
I appeared for an interview in Dec 2024, where I was asked the following questions.
- Q1. What is sql
- Ans.
SQL (Structured Query Language) is a standard programming language for managing and manipulating relational databases.
SQL is used to perform tasks such as querying data, updating records, and managing database structures.
Common SQL commands include SELECT (to retrieve data), INSERT (to add new records), UPDATE (to modify existing records), and DELETE (to remove records).
Example of a SELECT statement: SELECT * FROM user...
- Q2. What is oops
- Ans.
Object-Oriented Programming (OOP) is a programming paradigm based on the concept of objects, which can contain data and code.
Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).
Inheritance: Mechanism to create a new class using properties and methods of an existing class (e.g., a 'Dog' class inheriting from an 'Animal' class).
Polymorphism: Ability to present the same interf...
- Q3. What is python
- Ans.
Python is a high-level, interpreted programming language known for its readability and versatility in various applications.
Easy to learn: Python's syntax is clear and intuitive, making it accessible for beginners. Example: print('Hello, World!')
Versatile: Used in web development, data analysis, artificial intelligence, scientific computing, and more.
Rich libraries: Python has a vast ecosystem of libraries like NumPy fo...
Interview Preparation Tips
Interview Preparation Tips
I appeared for an interview in Sep 2024.
An aptitude test evaluates an individual's potential to excel in a specific area by assessing their strengths and weaknesses in particular abilities.
An assessment that measures an individual's inherent abilities and potential for success in a specific activity.
A coding test is a programming assessment designed to evaluate a candidate's coding skills. It is a standard component of the technical hiring process for software developers and programmers.
Assessment that evaluates a candidate's coding skills
Group discussion (GD) topics for interviews may cover areas such as business, social issues, and current affairs. GDs serve to evaluate a candidate's communication, leadership, and teamwork abilities.
Discussion assignments are prompts that your teacher may assign to you. By participating in these discussions, you can reflect on your learning, share ideas and opinions, or ask and answer questions. Discussions may require you to respond to individual questions or provide multiple responses to an ongoing conversation.
Interview Preparation Tips
Research
Know your goals: Consider your values, strengths, and ideal work environment.
Research the company: Anticipate common interview questions.
Prepare your resume
Tailor your resume: Customize your resume for each job application.
Highlight your skills: Highlight how your skills and experience match the job description.
Use keywords: Use relevant keywords in your resume and cover letter.
Prepare for interviews
Prepare your answers: Use the STAR method to prepare your answers.
Research the company: Anticipate common interview questions.
Network
Expand your professional network: You may find that more people can recommend you to a new position.
Use your professional network: You can use your network for career advice.
Other tips Don't limit your search to online resources, Optimize your LinkedIn profile, Use several job-search websites, Keep your resume up-to-date, and Develop your interview skills.
20 min for 1 round of interview
(2 Questions)
- Q1. Opps concepts with uses
- Ans.
OOPs concepts are fundamental principles in object-oriented programming that help in organizing and managing code efficiently.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Allows 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 implementati...
- Q2. Multithreading and how to use it
- Ans.
Multithreading allows multiple threads to run concurrently, improving performance and responsiveness.
Multithreading is used to execute multiple tasks simultaneously within a single process.
It can improve performance by utilizing multiple CPU cores efficiently.
Common multithreading libraries include Java's Thread class and C#'s Task Parallel Library.
Example: In a web server, multithreading can handle multiple client req...
(2 Questions)
- Q1. Introduce yourself
- Ans.
I am a passionate software developer with experience in Java, Python, and web development.
Experienced in Java and Python programming languages
Skilled in web development using HTML, CSS, and JavaScript
Familiar with Agile development methodologies
- Q2. Dtrength and weaknesses
Skills evaluated in this interview
Roshan Yadav
(2 Questions)
- Q1. Tell me about yourself
- Ans.
I am a passionate software developer with experience in building web applications using various technologies.
Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular
Proficient in backend development with Node.js, Express, and MongoDB
Familiar with version control systems like Git and project management tools like Jira
- Q2. Explain your projects
- Ans.
I have worked on various projects including a web application for a retail company and a mobile app for a fitness tracker.
Developed a web application for a retail company to manage inventory and sales
Created a mobile app for a fitness tracker to track workouts and calories burned
Implemented RESTful APIs for communication between front-end and back-end systems
Reverse the number in the array
I applied via Walk-in and was interviewed in Nov 2024. There were 3 interview rounds.
Reverse string ,array sorting
(2 Questions)
- Q1. Why this company
- Ans.
I admire this company's innovative approach and commitment to excellence in software development, aligning with my career goals.
The company's focus on cutting-edge technology, like AI and machine learning, excites me as I want to work on impactful projects.
I appreciate the collaborative culture here, which fosters teamwork and creativity, evident in your recent successful product launch.
The emphasis on continuous learn...
- Q2. What do you know about this Company
(2 Questions)
- Q1. What c pointers
- Q2. What is strings
Interview Preparation Tips
Skills evaluated in this interview
(1 Question)
- Q1. Nodejs internal, how event loop works
Fibonacci code ,recursion and prime numbers.
(2 Questions)
- Q1. What are ds, explain types...
- Ans.
Data structures (DS) are ways to organize and store data for efficient access and modification.
1. Arrays: Fixed-size collections of elements, e.g., [1, 2, 3].
2. Linked Lists: Collections of nodes, each pointing to the next, e.g., 1 -> 2 -> 3.
3. Stacks: Last-in, first-out (LIFO) structure, e.g., function call stack.
4. Queues: First-in, first-out (FIFO) structure, e.g., print job queue.
5. Trees: Hierarchical struct...
- Q2. Na
Interview Preparation Tips
TCS Interview FAQs
Some of the top questions asked at the TCS Software Developer interview -
The duration of TCS Software Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
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