ITILITE Software Developer Interview Questions and Answers

30-minutes+coding 1hr round moderate level

1hr coding+aptitude test moderate level

Q1. Oops,java,javascript,problem solving are topic want to cover +resume what we give technical skill
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Q2. Tell about multiple inheritance in java
Ans. 
Multiple inheritance is not supported in Java due to the Diamond Problem.
• Java does not support multiple inheritance for classes to avoid the Diamond Problem.

• Interfaces in Java can have multiple inheritance as a class can implement multiple interfaces.

• Example: class A extends B, C // This will result in a compile-time error.
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Q3. What is interface in java?
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It was a live coding round where expectation was to come up with a framework in Java from Scratch

Q1. It was a DS/Algo Round
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Q1. Design Round in HLD
Ans. 
Design Round in HLD involves creating a high-level design for a software system.
• Identify the main components of the system and their interactions

• Define the architecture of the system including layers, modules, and interfaces

• Consider scalability, performance, security, and maintainability

• Use UML diagrams like class diagrams, sequence diagrams, and component diagrams

• Document the design decisions and rationale
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Q1. Like or dislike
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Q2. What are you thinking
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Q1. Let var const difference
Ans. 
var, let, and const are all used to declare variables in JavaScript, but they have different scopes and mutability.
• var is function-scoped and can be redeclared and reassigned

• let is block-scoped and can be reassigned but not redeclared

• const is block-scoped and cannot be reassigned or redeclared
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Q2. Polyfills of bind method
Ans. 
Polyfills of bind method provide a way to use the bind method in older browsers that do not support it natively.
• Polyfill code typically checks if the bind method is available and if not, it creates a new function that mimics the behavior of bind.

• One common polyfill for the bind method is the following: Function.prototype.bind = Function.prototype.bind || function() { // polyfill code here };

• Polyfills are often used to ...read more
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Q1. Make a search bar in React
Ans. 
Create a search bar component in React for filtering data
• Create a functional component for the search bar

• Use state to store the search query

• Implement a onChange event handler to update the search query

• Filter the data based on the search query
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Q2. React js core concepts
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Q1. How you structure your work
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Q2. How you make a project from scratch
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BE Assignment containing how to make a simple backend task

Q1. Architecture of current project
Ans. 
The current project follows a microservices architecture with Docker containers for scalability and flexibility.
• Microservices architecture is used to break down the application into smaller, independent services that can be developed, deployed, and scaled independently.

• Docker containers are utilized for packaging the application and its dependencies into a standardized unit for easy deployment and management.

• Service di...read more
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Q2. Spring and Hibernate questions
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Basic coding questions

2 questions, Easy and medium based

Q1. Stacks queues and array questions
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Q1. Technical questions on projects
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Q1. How to tackle any uncertain situations? Behavioural questions
Ans. 
Approach uncertain situations with a structured mindset, focusing on analysis, communication, and adaptability.
• Stay calm and assess the situation: For example, during a project delay, analyze the root cause before reacting.

• Gather information: Consult with team members or stakeholders to understand different perspectives.

• Prioritize tasks: Identify what needs immediate attention and what can wait, like addressing critica...read more
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Q1. Resume based questions
Ans. 
I have a strong background in software development with experience in various programming languages and project management.
• Bachelor's degree in Computer Science from XYZ University.

• 3 years of experience working as a software developer at ABC Corp, focusing on web applications.

• Proficient in languages such as Java, Python, and JavaScript, with a recent project involving a full-stack application using React and Node.js.

• Ex...read more
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Q2. Event loop in nodejs
Ans. 
Event loop in Node.js manages asynchronous operations by executing callback functions when certain events occur.
• Event loop is responsible for handling I/O operations, timers, and callbacks in Node.js

• It allows Node.js to perform non-blocking operations efficiently

• Event loop continuously checks the event queue for new events to execute
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Q3. Javascript es6 questions
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