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Eviden Interview Questions and Answers

Updated 15 Nov 2024
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Q1. Total Life cycle of a Uipath Project usecase

Ans.

The total life cycle of a UiPath project use case involves planning, development, testing, deployment, and maintenance.

  • Planning involves identifying the problem, defining the scope, and creating a roadmap.

  • Development includes designing the workflow, coding, and integrating with other systems.

  • Testing involves validating the use case and ensuring it meets the requirements.

  • Deployment involves installing the project on the target environment.

  • Maintenance includes monitoring, troub...read more

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Q2. What is OOPS ? What are Virtual Machines

Ans.

OOPS stands for Object-Oriented Programming. Virtual Machines are software emulations of physical computers.

  • OOPS 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.

  • Virtual Machines are software-based emulations of physical computers that can run applications as if they were running on a physical machine.

  • Examples of virtual machines include Java Virtual Machine (JVM) for running Java progra...read more

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Q3. please tell me about design patters

Ans.

Design patterns are reusable solutions to common problems in software design.

  • Design patterns help in creating maintainable and scalable code.

  • They provide a common language for developers to communicate about solutions.

  • Examples include Singleton, Factory, Observer, and Strategy patterns.

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Q4. please tell me about garbage collection

Ans.

Garbage collection is a process in computer programming where the system automatically reclaims memory occupied by objects that are no longer in use.

  • Garbage collection helps prevent memory leaks by automatically identifying and freeing up memory that is no longer needed.

  • There are different types of garbage collection algorithms such as mark and sweep, reference counting, and generational garbage collection.

  • Java and C# are examples of programming languages that have built-in g...read more

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Q5. Designing SSD and PDD

Ans.

Designing SSD and PDD

  • SSD (System Sequence Diagram) is a visual representation of the interactions between a system and its external actors

  • PDD (Process Description Document) is a document that describes the processes and procedures involved in a system

  • SSD helps in identifying the system requirements and use cases

  • PDD helps in understanding the system's workflow and business processes

  • Both SSD and PDD are important in software development for ensuring a clear understanding of the...read more

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Q6. Typecasting and its types

Ans.

Typecasting is the process of converting a variable from one data type to another.

  • Implicit typecasting: Automatically done by the compiler.

  • Explicit typecasting: Manually done by the programmer.

  • Examples: int to float, char to int, etc.

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Q7. Explain Java Oops concepts.

Ans.

Java Oops concepts include inheritance, polymorphism, encapsulation, and abstraction.

  • Inheritance allows a class to inherit properties and behavior from another class.

  • Polymorphism allows objects to be treated as instances of their parent class.

  • Encapsulation hides the internal state of an object and only exposes necessary functionality.

  • Abstraction focuses on the essential features of an object while hiding unnecessary details.

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Q8. Four pillars of oops

Ans.

Encapsulation, Inheritance, Polymorphism, Abstraction are the four pillars of OOPs

  • Encapsulation: Bundling data and methods that operate on the data into a single unit

  • Inheritance: Ability of 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 implementation details and showing only the necessary features

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Q9. Explain joins in SQL

Ans.

Joins in SQL are used to combine rows from two or more tables based on a related column between them.

  • Joins are used to retrieve data from multiple tables based on a related column

  • Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

  • INNER JOIN returns rows when there is at least one match in both tables

  • LEFT JOIN returns all rows from the left table and the matched rows from the right table

  • RIGHT JOIN returns all rows from the right table and the matched rows f...read more

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Interview Process at Eviden

based on 26 interviews in the last 1 year
3 Interview rounds
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Coding Test Round
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