Virtusa Consulting Services Interview Questions, Process, and Tips

Q1. What is Oops with examples
Ans. 
Object-oriented programming (OOP) 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.
• OOP focuses on creating objects that interact with each other to solve problems

• Encapsulation: Objects can hide their internal state and require interaction through well-defined interfaces

• Inheritance: Objects can inherit attributes and methods from o...read more
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Q2. What are the joins
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Joins are used in SQL 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 between them

• Common 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 righ...read more
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Q1. What is computer
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A computer is an electronic device that processes data to perform various tasks.
• Electronic device that can store, retrieve, and process data

• Consists of hardware components like CPU, memory, storage, and input/output devices

• Runs software programs to execute specific tasks

• Examples include desktops, laptops, tablets, and smartphones
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Q2. What is hardware and software?
Ans. 
Hardware refers to physical components of a computer system, while software refers to programs and applications that run on the hardware.
• Hardware includes components like CPU, memory, motherboard, and storage devices.

• Software includes operating systems, applications, and programs that enable users to perform tasks on the computer.

• Examples of hardware: CPU - Central Processing Unit, RAM - Random Access Memory, HDD - Har...read more
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Q1. What is java programming?
Ans. 
Java programming is a high-level, object-oriented programming language used for developing applications and software.
• Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM).

• It is known for its simplicity, readability, and versatility.

• Java is used for developing web applications, mobile apps, desktop applications, and enterprise software.

• Examples of Java frameworks include Spring
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Q2. Java oops concepts?
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Q1. Why should we hire you?
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Q2. Can you relocate?
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Reasoning, english knowledge, quantitative topics for first round

Q1. Pillars of oops
Ans. 
Pillars of OOPs include encapsulation, inheritance, polymorphism, and abstraction.
• 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 featur
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Q2. Explain constructor and deconstructor
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Constructor is a special method used to initialize objects in a class, while destructor is a method used to clean up resources before an object is destroyed.
• Constructor is called when an object is created, typically used to initialize variables and allocate memory.

• Destructor is called when an object is destroyed, used to release resources like memory or close files.

• In C++, constructor has the same name as the class and...read more
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Q1. Reverse the string
Ans. 
Reverse a given string
• Create a new string and iterate through the original string in reverse order, appending each character to the new string

• Use built-in functions like reverse() or StringBuilder in languages like Java

• In Python, you can use string slicing [::-1] to reverse the string
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Q2. WAP to find palindrome in string
Ans. 
A program to find palindromes in a given array of strings.
• Iterate through each string in the array

• Check if the string is equal to its reverse to determine if it is a palindrome

• Store palindromes in a separate array for output

• Example: Input - ['madam', 'hello', 'level'], Output - ['madam', 'level']
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Q3. Which framework did you use?
Ans. 
I have experience using Selenium WebDriver framework for automated testing.
• Utilized Selenium WebDriver for writing automated test scripts

• Implemented Page Object Model design pattern for better test maintenance

• Integrated with TestNG for test execution and reporting
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Q4. How did you applier OOPS concept in ur framework?
Ans. 
I applied OOPS concepts in my framework by using inheritance, encapsulation, polymorphism, and abstraction to create reusable and modular code.
• Used inheritance to create parent classes with common functionality that child classes can inherit.

• Implemented encapsulation by hiding internal implementation details and exposing only necessary methods and properties.

• Leveraged polymorphism to allow objects of different classes ...read more
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Q1. Salay discussion
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