RGP Java Developer Interview Questions and Answers

Q1. Spring boot and spring MVC include annotation usage, rest controller
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Q2. Microservices benefits and disadvantages
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Q3. Agile: Sprint time, Delivery schedule, negotiation with stakeholders, release management
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Q4. Making secure URLs in spring boot, Authentication, and Authorization concepts
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Q1. I am freshers soo please one chance for your company
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Q2. Yes I am fresher soo for your company work
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Q3. Talk about a range of elements, including customer service.
Ans. 
Customer service is an essential element in software development.
• Customer service involves providing support and assistance to users of software applications.

• It includes addressing user queries, resolving issues, and ensuring customer satisfaction.

• Software developers may interact with customers through various channels like email, phone, or live chat.

• Good customer service can lead to positive user experiences and incre...read more
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Q1. Burn A Node in a Binary Tree
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To burn a node in a binary tree, we mark the node as burned and then recursively burn its left and right children.
• Mark the current node as burned

• Recursively burn the left child

• Recursively burn the right child
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Q2. In depth questions on current projects
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Q1. Experience in ReactJS
Ans. 
I have 2 years of experience in ReactJS, including building interactive user interfaces and integrating with backend services.
• Developed a responsive web application using ReactJS, Redux, and Material-UI

• Implemented RESTful APIs to fetch and update data in the application

• Utilized React Router for client-side routing and navigation

• Worked on optimizing performance by using memoization and lazy loading techniques
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Q2. Experience in Spring Boot
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Q1. What is web api
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Web API is a set of rules and protocols that allow different software applications to communicate with each other over the internet.
• Web API stands for Application Programming Interface for web-based applications

• It allows different software applications to interact with each other over the internet

• Web APIs use HTTP protocol to communicate and transfer data

• Examples of web APIs include Google Maps API, Twitter API, and Fa
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70 minutes test, and 4 questions

Q1. Behavioural Queston
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Basic coding questions And logical questions

Simple program for mathematics

Q1. What is OOPs and ever worked on database?
Ans. 
OOPs stands for Object-Oriented Programming. Yes, I have worked on databases.
• OOPs 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.

• It focuses on the use of classes and objects to organize code and data in a modular and reusable way.

• Examples of OOP languages include Java, C++, and Python.

• Working on databases involves storing, retri...read more
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Q2. What is SpringBoot and difference with spring
Ans. 
SpringBoot is a framework that simplifies the development of Java applications by providing pre-configured settings and tools.
• SpringBoot is built on top of the Spring framework, providing a more streamlined way to build Spring applications.

• It includes embedded servers like Tomcat, Jetty, or Undertow, making it easy to deploy standalone applications.

• SpringBoot uses convention over configuration, reducing the need for ma...read more
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