Tata Group Tatasky Associate Interview Questions and Answers

Q1. Java new features in 8
Ans. 
Java 8 introduced several new features including lambda expressions, functional interfaces, streams, and default methods.
• Lambda expressions allow you to treat functionality as a method argument.

• Functional interfaces have a single abstract method and can be used with lambda expressions.

• Streams provide a way to work with sequences of elements and perform operations on them.

• Default methods allow interfaces to have method ...read more
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Q2. Difficulties faced in the current/previous project & how we resolved it
Ans. 
We faced challenges with communication and conflicting priorities, resolved through regular team meetings and clear task delegation.
• Lack of clear communication among team members

• Conflicting priorities leading to delays in project timeline

• Resolved by scheduling regular team meetings to discuss progress and issues

• Clear task delegation to ensure everyone knows their responsibilities
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Q3. What is OOPS
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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 and methods to manipulate that data.

• Encapsulation, inheritance, and polymorphism are key principles of OOPS.

• Examples of OOPS languages include Java, C++, and Python.
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Q4. What is Functional programming
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Functional programming is a programming paradigm that treats computation as the evaluation of mathematical functions and avoids changing state and mutable data.
• Focuses on pure functions that do not have side effects

• Emphasizes immutability and avoids changing state

• Uses higher-order functions and function composition

• Commonly used languages include Haskell, Scala, and Clojure
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Q5. Difference between OOPS and functional programming
Ans. 
OOPS focuses on objects and classes, while functional programming focuses on functions and immutability.
• OOPS is based on the concept of objects and classes, allowing for encapsulation, inheritance, and polymorphism.

• Functional programming emphasizes on functions as first-class citizens, immutability, and avoiding side effects.

• OOPS is more suitable for complex, real-world applications with changing state, while functiona...read more
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Q6. Which framework I worked in Java
Ans. 
I have worked with the Spring framework in Java.
• Utilized Spring MVC for web development

• Implemented dependency injection with Spring IoC container

• Integrated Spring Security for authentication and authorization
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Q7. What all are the annotations that we use in Spring Boot & it's usage
Ans. 
Some common annotations used in Spring Boot are @RestController, @Autowired, @RequestMapping, @Service, @Component, @Repository.
• @RestController - Used to define a controller class in Spring MVC.

• @Autowired - Used for automatic dependency injection.

• @RequestMapping - Used to map web requests to specific handler methods.

• @Service - Indicates that a class is a service.

• @Component - Indicates that a class is a Spring component...read more
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Q1. Tell me about yourself, work experience & education
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I am a dedicated professional with a strong educational background and diverse work experience.
• I have a Bachelor's degree in Business Administration from XYZ University.

• I have worked in various roles in marketing, sales, and customer service.

• I am proficient in Microsoft Office Suite and have excellent communication skills.

• I am a quick learner and thrive in fast-paced environments.

• I am passionate about continuous learni
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It was a simple Aptitude test designed to test your english proficiency and your quantitative skills.

Q1. Multiple questions meant to test your english communication proficiency
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There were 2 coding questions. The level of questions were not very high. The languages available for the round were Python, Java, C++, C, C#.

Q1. Please Introduce yourself
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Q2. What project did you work on in your final year?
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Q3. Do you have any connections in the industry?
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Q4. Did you undergo any Internships?
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Q1. Difference between display none, visibility hidden and opacity 0 in CSS
Ans. 
display none hides the element completely, visibility hidden hides the element but still takes up space, opacity 0 makes the element transparent.
• display none removes the element from the layout

• visibility hidden hides the element but it still occupies space

• opacity 0 makes the element transparent but still occupies space

• Example: display: none; visibility: hidden; opacity: 0;
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Q2. Write a polyfill for javascript method "filter"
Ans. 
Polyfill for JavaScript method 'filter'
• Create a function called 'filter' that takes a callback function as an argument

• Loop through the array and apply the callback function to each element

• If the callback function returns true, add the element to a new array and return it
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Q3. Explain ShadowDOM
Ans. 
Shadow DOM is a way to encapsulate the styling and structure of a web component, preventing styles from leaking out and clashing with the rest of the page.
• Shadow DOM allows for creating self-contained components with their own DOM tree and styling.

• It helps in preventing styles from the main document affecting the component and vice versa.

• Shadow DOM can be created using the 'attachShadow' method in JavaScript.

• It is comm...read more
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Q4. Explain Currying in Javascript
Ans. 
Currying is a technique in JavaScript where a function with multiple arguments is transformed into a sequence of functions, each taking a single argument.
• Currying allows you to create reusable functions with partial application of arguments.

• It helps in creating more flexible and composable functions.

• Example: const add = (a) => (b) => a + b; const add5 = add(5); console.log(add5(3)); // Output: 8
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Q5. What is Event Deligation in javascript
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Event delegation in JavaScript is a technique where a single event listener is attached to a parent element to handle events for multiple child elements.
• Event delegation helps improve performance by reducing the number of event listeners.

• It is useful for dynamically created elements or elements with similar behavior.

• Event delegation works by utilizing event bubbling, where events on child elements bubble up to the pare
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Q1. What are different aws s3 bucket types
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Q2. What is the maximum number of subnets that can be created in a Virtual Private Cloud (VPC)?
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Q1. What are your roles
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Q2. How yoi handle team
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About the marketing tge job details in summary

About the topic of the associate with the topic

Q1. How to operate a operations
Ans. 
Operations can be operated by following established processes and procedures.
• Understand the goals and objectives of the operations

• Follow standard operating procedures

• Utilize technology and tools to streamline operations

• Monitor performance and make adjustments as needed
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Q2. How to do the handle a excel
Ans. 
Handling Excel involves organizing data, performing calculations, and creating visualizations.
• Use formulas and functions to perform calculations.

• Organize data into tables for easier manipulation.

• Create charts and graphs to visualize data.

• Use filters and sorting to analyze data efficiently.
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Q1. Find largest and smallest from an array
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Q2. Reverse an array
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Q3. Print your name in reverse
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Q1. What is the concept of insurance?
Ans. 
Insurance is a financial arrangement that provides protection against potential losses by pooling the risks of many individuals or entities.
• Insurance involves a contract between the insurer and the insured party.

• The insured pays a premium in exchange for coverage against specified risks.

• Insurance helps individuals and businesses manage risks and protect themselves financially.

• Types of insurance include health, life, au...read more
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Q2. What are the different types of insurance available?
Ans. 
There are various types of insurance available, including health, life, auto, home, and travel insurance.
• Health insurance covers medical expenses and treatments.

• Life insurance provides financial protection to beneficiaries in case of the insured's death.

• Auto insurance covers damages and liabilities related to vehicles.

• Home insurance protects against damages to the home and belongings.

• Travel insurance covers trip cancel
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Q1. Swap two variables, prime number
Ans. 
To swap two variables, use a temporary variable to store one value before swapping them.
• Create a temporary variable to store one of the values

• Assign the first variable to the temporary variable

• Assign the second variable to the first variable

• Assign the temporary variable to the second variable
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Q2. Based on Linux, SQL and other
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Q3. What are pointers
Ans. 
Pointers are variables that store memory addresses of other variables or functions.
• Pointers are used to access and manipulate memory directly.

• They are commonly used in programming languages like C and C++.

• Example: int *ptr; // declaring a pointer to an integer variable
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Q4. Commands on SQL and Linux
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Q5. Questions related to HR
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