SNS System Software Developer Interview Questions and Answers

Q1. Asked About current Projects
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Q2. Asked to code 2 problems
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Q1. Asked core java and microservices questions
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Q2. Current project and my role
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It included all aptitude

Contains all pseudo questions related to DSA

Q1. What is a class?
Ans. 
A class is a blueprint for creating objects in object-oriented programming.
• Defines the properties and behaviors of objects

• Can be used to create multiple instances of objects

• Encapsulates data and methods within a single unit
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Q2. What is an object?
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An object is a self-contained entity that consists of data and methods to manipulate that data.
• Objects are instances of classes in object-oriented programming.

• They have attributes (data) and methods (functions) to operate on the data.

• Objects can interact with each other through method calls.

• Example: In a car simulation program, a 'Car' object may have attributes like 'color' and 'speed', and methods like 'accelerate' a
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Q3. How the login page comes when clicks on some webpage icon like facebook?
Ans. 
The login page is displayed when a user clicks on a webpage icon like Facebook by redirecting to a separate login page.
• Clicking on the webpage icon triggers a redirect to the login page

• The login page prompts the user to enter their credentials

• After successful login, the user is redirected back to the original webpage
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Q4. DDL and DML commands
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Q5. Polymorphism and method overriding?
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Q6. Entire opps in java
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Object-oriented programming in Java involves creating classes, objects, inheritance, polymorphism, and encapsulation.
• Classes are blueprints for objects, defining attributes and behaviors.

• Objects are instances of classes, representing real-world entities.

• Inheritance allows a class to inherit attributes and methods from another class.

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

• Encapsulat...read more
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First round was Aptitude which was quite easy

Q1. Resume bases Question
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Q2. Question on OOPS
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Q1. Resume and scenario based question
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Q1. Introduce yourself
Ans. 
I am a software developer with 5 years of experience in Java and Python.
• Experienced in Java and Python programming languages

• Worked on developing web applications using Spring framework

• Familiar with Agile development methodologies
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Q2. What challenges do you faced during your project and how you approached them
Ans. 
I faced challenges with integrating third-party APIs and resolved them by thoroughly researching documentation and seeking help from colleagues.
• Integrating third-party APIs required understanding complex documentation

• Encountered issues with data formatting and authentication

• Collaborated with team members to troubleshoot and find solutions
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20 min for 1 round of interview

Q1. Opps concepts with uses
Ans. 
OOPs concepts are fundamental principles in object-oriented programming that help in organizing and managing code efficiently.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allows 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. Multithreading and how to use it
Ans. 
Multithreading allows multiple threads to run concurrently, improving performance and responsiveness.
• Multithreading is used to execute multiple tasks simultaneously within a single process.

• It can improve performance by utilizing multiple CPU cores efficiently.

• Common multithreading libraries include Java's Thread class and C#'s Task Parallel Library.

• Example: In a web server, multithreading can handle multiple client req...read more
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Q1. Introduce yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java and Python programming languages

• Skilled in web development using HTML, CSS, and JavaScript

• Familiar with Agile development methodologies
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Q2. Dtrength and weaknesses
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Q1. P2P process with golden rules
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Q2. Internal order types
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Q3. Withholding tax types
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Q1. Every single oops concepts
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Q2. Every sql questions possiible
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Q1. I attended only technical not yet results announced
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Q2. I attended only technical not yet result announced
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It was easy, had average difficulty . Basic english and aptitude was asked

Q1. Basics of computer fundamentals were asked in this round . OOPS , DBMS , SQL query etc. And 2 coding questions.
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Q2. Another part was pychometric which is very very easy.
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Q1. Had to listen to audio and gave answer of the questions accordingly.
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Q2. It test your ability of writing , speaking and listening .
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Q1. Techincal interview was focussed on project .
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Q2. A little bit of easy DSA and basics of CS fundamentals.
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Q1. Project and interst
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