Chetu Full Stack Developer Interview Questions and Answers

Q1. Project, Oops Concept, Java , which technology u have used ? Framework
Add your answer
Q2. Framework, Explain Long Polling ,
Ans. 
Long polling is a web technique where the client sends a request to the server and the server holds the connection open until new data is available.
• Long polling is a variation of the traditional polling technique where the client sends a request to the server and the server keeps the connection open until new data is available.

• It is often used in web applications to simulate real-time updates without the need for const...read more
Answered by AI
Add your answer
Q3. GraphQL Vs Rest
Ans. 
GraphQL is a query language for APIs that allows clients to request only the data they need, while REST is an architectural style for designing networked applications.
• GraphQL allows clients to request specific data in a single request, reducing over-fetching and under-fetching of data.

• REST uses multiple endpoints for different resources, leading to multiple requests for related data.

• GraphQL provides a strongly typed sc...read more
Answered by AI
Add your answer

1st round is aptitude and pesudocode

Q1. Mostly python questions
Add your answer
Q2. List questions and basic to mediumprogram
Add your answer

In first round 4 coding question like 1 dsa 2 database and one is api and question is very simple . coding round was conducted in hackerrank

Q1. DSA QUESTION LIKE TREE AND GRAPH
Add your answer
Q2. DP AND SORTING APPROACH
Add your answer

Again same but dsa question and oops concept in deep level

Q1. Rest Apis questions
Add your answer

Q1. Core java and OOPS and LLD
Add your answer

Q1. Something based on hashet
Add your answer
Q2. Same with this too
Add your answer

Basic questions were given..bar graphs,pie charts

Q1. What is Oops concept?
Ans. 
Oops concept stands for Object-Oriented Programming concepts which include principles like inheritance, encapsulation, polymorphism, and abstraction.
• Oops concept is a programming paradigm that focuses on objects and classes.

• It includes principles like inheritance, where a class can inherit properties and behaviors from another class.

• Encapsulation is another principle where data is wrapped within a class and can only be...read more
Answered by AI
Add your answer

Based on core Java, DS and spring

Q1. Diff var let const
Ans. 
diff var let const
• var is function-scoped, let and const are block-scoped

• var can be redeclared and reassigned, let can be reassigned but not redeclared, const cannot be reassigned or redeclared

• const must be initialized during declaration, let and var can be declared without initialization
Answered by AI
Add your answer

Q1. Related to node js architecture
Add your answer

Q1. Expectation and all
Add your answer