Comcast Java Developer Interview Questions and Answers

Coding test nodejs assignnment

Create a Movie application on compose using mvvm

Q1. What is the use of ref?
Ans. 
The 'ref' keyword in C# is used to pass arguments by reference instead of by value.
• Allows a method to modify the value of the argument passed to it

• Useful when you want to update the original value of a variable inside a method

• Can be used with value types and reference types

• Example: void UpdateValue(ref int num) { num = 10; }

• Example: int value = 5; UpdateValue(ref value); // value will be 10 after the method call
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Q2. What are React Hooks
Ans. 
React Hooks are functions that let you use state and other React features without writing a class.
• React Hooks were introduced in React 16.8.

• They allow you to use state and other React features in functional components.

• Some commonly used React Hooks are useState, useEffect, useContext, etc.

• Hooks are more lightweight and easier to understand compared to class components.
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Q1. What is JWT token and difference between OUTH2 and JWT
Ans. 
JWT token is a JSON Web Token used for authentication and authorization. OAuth2 is an authorization framework.
• JWT token is a compact and self-contained way to transmit information between parties as a JSON object.

• OAuth2 is an authorization framework that enables a third-party application to obtain limited access to an HTTP service.

• JWT token is used for authentication and authorization, while OAuth2 is used for authoriz...read more
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Q1. Personal info and project work
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Just basic DSA round

Q1. Questions on DSA like array and strings.
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Q2. Computer science fundamentals questions like OOPS concepts
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Q1. What is my name
Ans. 
The question is asking for your name.
• Answer with your actual name

• Be honest and straightforward

• Avoid giving a fake name or trying to be clever
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Q2. Salry how much exoected
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Q1. Salary how mych
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2 Questions - 1 graph and one basic

Q1. 2 basic coding questions and questions on OS and DBMS
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