FIS Software Developer Interview Questions and Answers

Max subsequence sum, 15 min

Q1. How to deal with difficult coworker
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Q2. Toughest tech challenge I have faced
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Q1. OOPS pillers and explanation
Ans. 
OOPS pillars are the four main principles of Object-Oriented Programming: Encapsulation, Inheritance, Polymorphism, and Abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Allowing 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 implementati...read more
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Q2. Solid principles
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Q3. If given CityName as parameter to method then get all the movies in that city. If given MovieName as parameter then get all the theaters with that movie
Ans. 
Use conditional statements to determine whether the parameter is CityName or MovieName, then query the database accordingly.
• Check if the parameter is CityName or MovieName

• If CityName, query database for all movies in that city

• If MovieName, query database for all theaters showing that movie
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Q4. Any certification?
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Yes, I have certifications in Java and AWS.
• Certified in Java programming language

• Certified in Amazon Web Services (AWS)
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Q5. LINQ and Extension method
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GENERAL APTITUDE QUESTIONS

Q1. JAVA CODES FOR BEGINNER
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Java codes for beginners include basic syntax, data types, control structures, and object-oriented programming concepts.
• Learn basic syntax and data types such as int, double, and String.

• Understand control structures like if-else statements and loops.

• Familiarize yourself with object-oriented programming concepts like classes and objects.

• Practice coding exercises and projects to reinforce your learning.

• Utilize online res...read more
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Q2. NODE FUNCTIONS FOR BINARY
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Node functions for binary are used to manipulate binary data in Node.js.
• The Buffer class is used to handle binary data in Node.js.

• The `toString()` method can be used to convert binary data to a string.

• The `write()` method can be used to write binary data to a buffer.

• The `read()` method can be used to read binary data from a buffer.

• The `slice()` method can be used to extract a portion of a buffer.

• The `concat()` method c...read more
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C, linux, general aptitude

Q1. Basics of C , coding for swap, sort, prime number
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Q2. Tell about you?
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Q3. What is data type of auto?
Ans. 
The data type of auto is determined by the value assigned to it at compile time.
• The auto keyword in C++ is used to automatically deduce the data type of a variable based on its initializer.

• The data type of auto can be any valid C++ type, including fundamental types, user-defined types, or even complex types like function pointers or lambda expressions.

• The actual data type of auto is resolved by the compiler during comp...read more
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Q4. What work location prefered?
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Q1. Oops concepts, solid principle, sqlcquery
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Q2. Solid principle
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