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Java code to check if a given String is a palindrome or not.
Create a function that takes a String as input
Use two pointers, one starting from the beginning and one from the end, to compare characters
If all characters match, return true; otherwise, return false
OOPS stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.
OOPS focuses on creating objects that contain data in the form of attributes and code in the form of methods.
Encapsulation, inheritance, and polymorphism are key principles of OOPS.
Examples of OOPS languages include Java, C++, and Python.
C is a procedural programming language while C++ is an object-oriented programming language.
C is a procedural programming language, focusing on functions and procedures.
C++ is an object-oriented programming language, supporting classes and objects.
C++ is an extension of C with additional features like inheritance, polymorphism, and encapsulation.
C++ allows for both procedural and object-oriented programming paradi...
JSON parsing is the process of converting JSON data into a usable format in a programming language.
JSON parsing involves extracting data from a JSON string and converting it into a data structure like an object or array.
Common methods for JSON parsing include using built-in functions like JSON.parse() in JavaScript.
JSON parsing is essential for interacting with APIs that return data in JSON format.
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XML parsing is the process of reading and interpreting XML data to extract relevant information.
XML parsing involves analyzing the structure of XML documents to extract data.
It can be done using programming languages like Java, C#, Python, etc.
XML parsers can validate the XML document against a schema to ensure its correctness.
Common XML parsing techniques include DOM parsing and SAX parsing.
Python program to find the count of a letter in a sentence
Use the count() method on the string to find the number of occurrences of a specific letter
Convert the sentence to lowercase to make the search case-insensitive
Handle both uppercase and lowercase versions of the letter to get an accurate count
Compiling using system involves using the system's built-in compiler to convert source code into executable code.
Use the system's compiler to convert source code into executable code
Can be done through command line or IDE settings
Example: Using 'gcc' compiler on Linux to compile a C program
Cloud computing is the delivery of computing services over the internet, including servers, storage, databases, networking, software, analytics, and intelligence.
Cloud computing allows users to access resources on-demand without the need for physical infrastructure.
It offers scalability, flexibility, and cost-efficiency compared to traditional on-premises solutions.
Examples of cloud computing providers include Ama...
This question tests your understanding of string manipulation and algorithms in programming.
Strings are immutable in many languages like Java and Python, meaning they cannot be changed after creation.
Common operations include concatenation, substring extraction, and searching for characters or patterns.
Example of concatenation: 'Hello' + ' World' results in 'Hello World'.
Substring extraction can be done using meth...
The software development lifecycle is a process used by software developers to design, develop, test, and deploy software applications.
1. Planning: Define project scope, requirements, and timeline.
2. Design: Create a detailed design of the software architecture.
3. Development: Write code based on the design specifications.
4. Testing: Test the software for bugs and errors.
5. Deployment: Release the software to user...
I appeared for an interview in Jul 2025, where I was asked the following questions.
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...
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
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
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
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...
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...
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.
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...
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.
I appeared for an interview in May 2025, where I was asked the following questions.
20 min for 1 round of interview
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...
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
I appeared for an interview in Jun 2025, where I was asked the following questions.
PCA, or Principal Component Analysis, is a dimensionality reduction technique used to simplify datasets while preserving variance.
PCA transforms data into a new coordinate system, where the greatest variance lies on the first axis.
It helps in reducing the number of features while retaining the essential information, making it easier to visualize data.
For example, in image processing, PCA can reduce the number of pixels...
I appeared for an interview in Jun 2025, where I was asked the following questions.
In five years, I see myself as a lead developer, mentoring others and driving innovative projects that impact the industry.
I aim to lead a team of developers, guiding them through complex projects and fostering a collaborative environment.
I plan to deepen my expertise in emerging technologies, such as AI and machine learning, to contribute to cutting-edge solutions.
I envision myself taking on more responsibilities, pos...
I excel in problem-solving and teamwork, but I sometimes struggle with time management under tight deadlines.
Strength: Strong problem-solving skills - I enjoy tackling complex coding challenges, like optimizing algorithms for better performance.
Strength: Effective teamwork - I thrive in collaborative environments, having successfully led a project with cross-functional teams.
Weakness: Time management - I occasionally u...
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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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