The Company of Others Java Developer Interview Questions and Answers

Medium to hard level problem questions and basic subjects fundamentals mcqs

Q1. Basic OS questions
Add your answer
Q2. Basic CN questions
Add your answer

Coding test nodejs assignnment

Create a Movie application on compose using mvvm

Q1. Define your current project
Add your answer
Q2. Coding problem on DP
Add your answer

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
Answered by AI
Add your answer
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.
Answered by AI
Add your answer

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
Answered by AI
Add your answer

Q1. Personal info and project work
Add your answer

I don't really really for aptitude

Q1. Oops, dsa, sdlc
Add your answer
Q2. Project, dbms, pattern printing
Add your answer
Q3. What is inheritance and implementation
Ans. 
Inheritance is a mechanism in object-oriented programming where a class inherits properties and behaviors from another class. Implementation is the process of defining the methods and behaviors of a class.
• Inheritance allows a class to inherit attributes and methods from another class, promoting code reusability.

• Implementation involves writing the actual code for the methods and behaviors defined in a class.

• Example: Cla...read more
Answered by AI
Add your answer

Q1. Self introduction
Add your answer
Q2. Your strength, weeknesss, where do you in next 5 years
Ans. 
My strength is problem-solving, weakness is time management, and in the next 5 years, I aim to become a lead developer.
• Strength: Strong problem-solving skills - I enjoy tackling complex issues and finding efficient solutions.

• Weakness: Time management - I sometimes struggle with prioritizing tasks and meeting deadlines.

• Future goal: To become a lead developer - I plan to enhance my technical skills, take on more responsi
Answered by AI
Add your answer