TCS Software Developer Interview Questions, Process, and Tips

Q1. What is binding in wpf?
Ans. 
Binding in WPF is a way to connect the data in your application to the user interface elements.
• Binding allows you to automatically synchronize the data between the source and the target.

• You can use different types of bindings like one-way, two-way, and one-time.

• Examples include binding a textbox to a property in a view model or binding a list to a listbox.
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Q2. How does view get to know that binded property has been changed in viewmodel
Ans. 
The view gets to know that a binded property has been changed in the viewmodel through data binding mechanisms.
• Data binding mechanisms like two-way binding or event listeners are used to notify the view of property changes in the viewmodel.

• Frameworks like Angular, React, or Vue.js provide built-in mechanisms for handling property changes in the viewmodel.

• ViewModels often implement observable patterns or use libraries l
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Q3. What are data templates?
Ans. 
Data templates are predefined structures used to organize and format data in a consistent manner.
• Data templates help ensure data consistency and accuracy.

• They provide a framework for organizing and presenting data in a standardized way.

• Examples include HTML templates for web pages, document templates in word processors, and database templates for storing information.
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Q1. Are you ok for Hybrid working
Ans. 
Yes, I am open to hybrid working arrangements that combine remote and in-office work.
• I am comfortable with a mix of working from home and in the office

• I have experience successfully collaborating with team members remotely

• I am adaptable and can manage my time effectively in different work environments
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It was a basic filtering round based on aptitude.

I had two medium-level LeetCode questions.

Q1. During the interview, I was asked both HR and technical questions. Initially, I responded to technical inquiries regarding HTML, MongoDB, SQL, and JavaScript, as they were listed on my resume. After addres...read more
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Q2. What are different types of tag in html and tags which do not require closing tag
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Q3. Sql query for highest salary from list of employees table
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In which they ask aptitude coding question

Q1. What is oops and pillars of oops?
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20 min for 1 round of interview

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...read more
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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...read more
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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
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Q2. Dtrength and weaknesses
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