Ideaforge Technology Interview Questions and Answers for Experienced

Q1. Explain Object Oriented Programming?
Ans. 
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.
• OOP focuses on creating objects that interact with each other to solve problems.

• Encapsulation is a key concept in OOP, where data is kept private within a class and accessed through public methods.

• Inheritance allows classes to inherit attributes and metho...read more
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Q2. Explain Multithreading in Java
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Multithreading in Java allows multiple threads to execute concurrently, improving performance and responsiveness.
• Multithreading allows multiple tasks to run concurrently within a single program

• Threads share the same memory space, allowing for efficient communication and data sharing

• Java provides built-in support for multithreading through the Thread class and Runnable interface

• Example: Creating a new thread by extendin...read more
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Q3. Difference between multithreading and asynchronous programming
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Multithreading involves executing multiple threads concurrently within the same process, while asynchronous programming allows tasks to be executed independently of the main program flow.
• Multithreading involves multiple threads running concurrently within the same process, sharing resources and potentially causing synchronization issues.

• Asynchronous programming allows tasks to be executed independently of the main prog...read more
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Q4. Explain example of Springboot
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Spring Boot is a framework that simplifies the development of Java applications by providing pre-configured setups.
• Spring Boot eliminates the need for manual configuration by providing default settings.

• It allows developers to create stand-alone, production-grade Spring-based Applications.

• Example: Creating a RESTful web service using Spring Boot.
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Q5. How to write a API
Ans. 
To write an API, define endpoints, request/response formats, authentication, and documentation.
• Define endpoints for different functionalities (e.g. GET /users, POST /users)

• Specify request and response formats (e.g. JSON)

• Implement authentication mechanisms (e.g. OAuth)

• Document the API using tools like Swagger or Postman
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Q6. Difference between Unit testing and Integration testing
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Unit testing focuses on testing individual components in isolation, while integration testing focuses on testing how multiple components work together.
• Unit testing is done on individual units or components of a software application, such as functions or classes.

• Integration testing is done to test how different units or components work together as a whole system.

• Unit testing is usually done by developers during the deve...read more
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Q1. Past Experience
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Q2. Case related to past experience
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Framework for product conversations with clients and making roadmap basis the discussion

Q1. About you self in 2 around
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Q2. Process of doing sales
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The process of conducting sales involves prospecting, qualifying leads, making a pitch, handling objections, closing the sale, and following up.
• Prospecting: Identifying potential customers and reaching out to them.

• Qualifying leads: Determining if the prospect is a good fit for the product or service.

• Making a pitch: Presenting the product or service in a compelling way.

• Handling objections: Addressing any concerns or dou...read more
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I was a 15 min of test with 50 questions of easy level

Q1. How much you rate yourself in the technologies that are mentioned in your resume?
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Q2. What is you salary expectation?
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There was 2 days of on-site Pre Hiring Evaluation round. They have given me the task of scripting.

Q1. About Yourself and about the experience
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Q1. Medium leetcode
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Q1. Regarding experience
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Q1. General behavioural question
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