Indian Railways Software Developer Interview Questions and Answers

Q1. What is a polymorphism?
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Q2. Can you explain difference between == and euqals()?
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Q3. What is dependency inversion?
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Q4. Can you explain ACID?
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Q5. Please tell me about isolation levels
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Q1. Difference b/w canvas and model driven apps
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Numerical aptitude test, logical reasoning test, and technical aptitude test.

Case study GD, topic based GD,Role_play GD

Q1. Can you tell me yourself ?
Ans. 
I am a software developer with 5 years of experience in Java, Python, and SQL.
• 5 years of experience in Java, Python, and SQL

• Strong problem-solving skills

• Experience working in Agile development environment

• Familiarity with version control systems like Git
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Q2. How did you hear about this role?
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I found this role through a job posting on LinkedIn.
• Saw job posting on LinkedIn

• Applied through company website

• Referred by a friend who works at the company
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Q3. What are your long term career goals?
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My long term career goal is to become a senior software architect and lead a team of developers to create innovative solutions.
• Work towards gaining expertise in various programming languages and technologies

• Take on leadership roles in projects to develop management and communication skills

• Attend industry conferences and workshops to stay updated on latest trends and advancements

• Seek opportunities for mentorship and pro
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Q4. Do you have any questions for me ?
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Q5. What do you know about our company?
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Your company is a leading software development firm specializing in creating innovative solutions for various industries.
• Your company has a strong reputation for delivering high-quality software products.

• You have a diverse portfolio of clients from different industries.

• Your company values innovation and creativity in software development.

• Your team is known for its expertise in cutting-edge technologies like AI and bloc...read more
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Q1. What is your favourite programming language?
Ans. 
My favorite programming language is Python because of its simplicity, readability, and versatility.
• Python is known for its clean and readable syntax, making it easy to learn and understand.

• Python has a large standard library with built-in modules for various tasks, reducing the need for external libraries.

• Python is versatile and can be used for web development, data analysis, artificial intelligence, and more.
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Q2. Can you explain the concept of object oriented programming?
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Object oriented programming 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.
• Objects are instances of classes, which define the structure and behavior of the objects.

• Encapsulation is the concept of bundling data and methods that operate on the data within a single unit, such as a class.

• Inheritance allows classes to inherit attribu...read more
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It is all concepts for communication skills

This is some role of the coding ,for example: java,html,css,javascript like that coding

Q1. Subject based questions they are asking
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Q1. Overall details asking them
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This is observed the skills

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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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
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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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An aptitude is a measure of your ability learn or perform required task and succeed in a particular environment

A coding test evaluates an individuals ability to write , understand and debug code

Q1. What programming languages are you familiar with?
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Q2. What product management system do you like using?
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Q3. What design software do you know?
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Q4. Define the tree data structure?
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Q5. Difference betweenTCP and UPD
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Q6. What scripting language do you know?
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