FactSet Software Engineer III Interview Questions, Process, and Tips

Q1. What is HTML and CSS?
Ans. 
HTML and CSS are markup languages used for creating and styling web pages.
• HTML stands for HyperText Markup Language and is used for structuring content on web pages.

• CSS stands for Cascading Style Sheets and is used for styling the appearance of web pages.

• HTML uses tags to define elements like headings, paragraphs, images, and links.

• CSS allows for customization of colors, fonts, layout, and other visual aspects of a web...read more
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Q2. Operating Systems, DBMS, Python
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Q1. Wht is tuple and how it is dif from list
Ans. 
A tuple is an immutable collection of elements, while a list is a mutable collection in Python.
• Tuples are created using parentheses (), while lists are created using square brackets []

• Tuples are immutable, meaning their elements cannot be changed once defined

• Lists are mutable, allowing for elements to be added, removed, or modified

• Tuples are typically used for fixed collections of items, while lists are used for dynami
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Q1. How do you define clean code?
Ans. 
Clean code is well-organized, easy to read, and maintainable code that follows best practices.
• Clean code is easy to read and understand by other developers.

• It follows consistent naming conventions for variables, functions, and classes.

• Clean code is well-organized with proper indentation and spacing.

• It avoids unnecessary complexity and duplication.

• Clean code is modular and follows the single responsibility principle.

• Exa...read more
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Q2. How to better test your code?
Ans. 
To better test your code, use a combination of unit tests, integration tests, regression tests, and automated testing.
• Write unit tests to test individual components or functions in isolation.

• Perform integration tests to test how different components work together.

• Implement regression tests to ensure that new code changes do not break existing functionality.

• Utilize automated testing tools to run tests quickly and effici...read more
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Q1. Java 8 features and benefits
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Java 8 introduced new features like lambda expressions, streams, and default methods, improving code readability and performance.
• Lambda expressions allow for more concise code and easier parallel programming.

• Streams provide a way to work with collections in a functional style, enabling easier processing of large data sets.

• Default methods allow interfaces to have method implementations, reducing the need for abstract cl...read more
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Aptitude questions, some reasoning and puzzle questions with fundamental computer language questions.

Q1. Oops question Language fundamental questions Puzzle Coding questions.
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Q2. What is polymorphism?
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to represent multiple data types.

• Examples include method overloading and method overriding in object-oriented programming.
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Q3. What is abstraction?
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Abstraction is the concept of hiding complex implementation details and showing only the necessary information to the user.
• Abstraction allows developers to focus on the essential features of an object or system without getting bogged down in unnecessary details.

• It helps in reducing complexity and improving efficiency by providing a simplified view of the system.

• For example, in object-oriented programming, abstract clas...read more
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Q1. Project discussion Puzzle
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Q1. What is your salary expectation? What is your long term goal?
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Q1. What is policy manager
Ans. 
Policy manager is a software tool used to centrally manage and enforce policies across an organization's systems and applications.
• Policy manager helps define, monitor, and enforce policies related to security, compliance, access control, and other governance aspects.

• It allows administrators to set rules and regulations that govern how data and resources are accessed and used within an organization.

• Policy manager can au...read more
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