TCS Interview Questions, Process, and Tips

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Q2. Scd jkch kcsdj kchjsd kjcjhcds gcsdjkjkcdh cdkj
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Q1. Write java program to print sum of digits from a given string eg: "abcd23"
Ans. 
Java program to print sum of digits from a given string
• Iterate through each character in the string

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

• Convert the digit character to integer using Character.getNumericValue() method

• Sum up all the digits found in the string
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Q2. Explain oops concepts used in your framework with example?
Ans. 
OOPs concepts used in the framework include inheritance, polymorphism, encapsulation, and abstraction.
• Inheritance is used to create a parent-child relationship between classes. For example, a base class 'Page' can be inherited by 'HomePage' and 'LoginPage' classes.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass. For instance, a 'click' method can be implemented different...read more
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Q3. Explain polymorphism
Ans. 
Polymorphism is the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example of compile-time polymorphism: function overloading in Java.

• Example of runtime polymorphism: method overriding in Java
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Q4. Java program to print the sum of elements in string array eg: String[] arr = {"1","2","3"}
Ans. 
Java program to print the sum of elements in a string array.
• Convert each element in the string array to an integer using Integer.parseInt()

• Sum up all the integers to get the total sum
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Q1. Explain the each project ?
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Q2. Explain multithreading in each project ?
Ans. 
Utilized multithreading to improve performance and efficiency by allowing multiple threads to run concurrently.
• Implemented multithreading in project A to handle multiple user requests simultaneously.

• Utilized multithreading in project B to improve processing speed for large datasets.

• Used multithreading in project C to enhance responsiveness of the user interface.
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Q3. What are the code Optimization Technique in C++ ?
Ans. 
Code optimization techniques in C++ improve efficiency and performance of the code.
• Use of appropriate data structures and algorithms

• Avoid unnecessary copying of objects

• Inline functions for small, frequently called functions

• Use of const and constexpr where applicable

• Optimizing loops for better performance
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Q4. When we can use Thread and Process ?
Ans. 
Threads are used for lightweight processes within a single process, while processes are used for independent execution of tasks.
• Threads are used for multitasking within a single process, sharing memory space and resources.

• Processes are used for independent execution of tasks, each having its own memory space and resources.

• Threads are faster to create and switch between, while processes have more overhead.

• Threads are su...read more
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Aptitude round
English exam
Maths tricky questions exam
Coding 1 easy 1 tuff

Q1. Difference between css and css3
Ans. 
CSS is the standard styling language for websites, while CSS3 is the latest version with new features like animations and transitions.
• CSS is the standard styling language used for describing the look and formatting of a document written in HTML.

• CSS3 is the latest version of CSS with new features like animations, transitions, gradients, and more.

• CSS3 introduced new layout modules like Flexbox and Grid, making it easier ...read more
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Q2. Tell disadvantages of your projects
Ans. 
Some disadvantages of my projects include scalability issues, lack of documentation, and limited testing.
• Scalability issues: The project was not designed to handle a large amount of data or users, leading to performance issues.

• Lack of documentation: There was insufficient documentation on the codebase, making it difficult for new team members to onboard or for future maintenance.

• Limited testing: Due to time constraints...read more
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Q1. Are you okay for night shift
Ans. 
Yes, I am okay with night shifts as I am comfortable working during those hours.
• I have previous experience working night shifts in my previous job.

• I am a night owl and tend to be more productive during late hours.

• I understand the importance of round-the-clock support in the software industry.
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Q2. Are you okay with reallocation
Ans. 
Yes, I am okay with reallocation as it is a common practice in the software engineering field.
• I am comfortable with reallocation as it is a common practice in software development.

• I understand that reallocation may be necessary for project requirements or team dynamics.

• I am adaptable and willing to take on new challenges that may come with reallocation.
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Basic multiple-choice questions on object-oriented programming (OOP) and database management systems (DBMS), along with a coding question focused on arrays.

Q1. What is the difference between RESTful APIs and SOAP APIs?
Ans. 
RESTful APIs are lightweight, stateless, and use standard HTTP methods, while SOAP APIs are more rigid, use XML for messaging, and have built-in security features.
• RESTful APIs are lightweight and stateless, making them easier to scale and maintain.

• SOAP APIs are more rigid and use XML for messaging, which can be more complex and less flexible.

• RESTful APIs use standard HTTP methods like GET, POST, PUT, DELETE, while SOAP...read more
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Q2. What are microservices?
Ans. 
Microservices are a software development technique where applications are broken down into small, independent services that communicate with each other.
• Microservices are designed to be small, focused, and independently deployable.

• Each microservice typically performs a specific business function and communicates with other services through APIs.

• Microservices allow for greater flexibility, scalability, and resilience in ...read more
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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.