MeFy Care Interview Questions and Answers

Oops concepts are the fundamental principles of Object-Oriented Programming.

• Encapsulation - binding data and functions that manipulate the data

• Inheritance - creating new classes from existing ones

• Polymorphism - ability of objects to take on many forms

• Abstraction - hiding implementation details and showing only functionality

let is block-scoped while var is function-scoped.

• let variables can be reassigned but not redeclared in the same scope

• var variables can be both reassigned and redeclared in the same scope

• let variables are not hoisted while var variables are

• let variables are a relatively new addition to JavaScript (ES6) while var has been around since the beginning

Async/await is a way to write asynchronous code in a synchronous style in JavaScript.

• Async/await is built on top of Promises.

• It allows us to write asynchronous code that looks like synchronous code.

• The 'async' keyword is used to define an asynchronous function.

• The 'await' keyword is used to wait for a Promise to resolve before continuing.

• Async/await makes error handling easier compared to using callbacks or Promises.

I worked as a Software Engineer at XYZ Company.

• Developed and maintained software applications using Java and Python.

• Collaborated with cross-functional teams to gather requirements and design solutions.

• Implemented unit tests and performed code reviews to ensure code quality.

• Participated in Agile development processes and attended daily stand-up meetings.

• Troubleshooted and resolved software defects and issues reported by...read more

I am a software engineer with 5 years of experience in developing web applications using Java and JavaScript.

• 5 years of experience in software engineering

• Proficient in Java and JavaScript

• Developed web applications

• Strong problem-solving skills

• Experience with agile development methodologies