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Apollo Computer Education
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A promise is an object representing the eventual completion or failure of an asynchronous operation.
Promises are used to handle asynchronous operations in JavaScript.
They can be in one of three states: pending, fulfilled, or rejected.
Promises can be chained using .then() to handle success and .catch() to handle errors.
Example: Fetch API returns a promise when making an HTTP request.
Types of data include numerical, categorical, ordinal, and nominal data.
Numerical data: Data that can be measured and expressed in numbers (e.g. age, height, weight).
Categorical data: Data that represents categories or groups (e.g. color, gender, type of car).
Ordinal data: Data with a natural order or ranking (e.g. rating scale from 1 to 5, education level).
Nominal data: Data that represents names or labels without any
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I applied via Campus Placement and was interviewed in Nov 2022. There were 5 interview rounds.
This is the aptitude round in this round quant questions were asked
In this round 2 java coding questions were there
A framework is a set of rules, guidelines, and standards that provide a structure for developing software applications.
A framework provides a common structure for developers to work within
It includes pre-written code and libraries that can be used to speed up development
Frameworks can be specific to a programming language or platform
Examples include AngularJS, React, and Ruby on Rails
Java is a widely used programming language known for its platform independence and object-oriented approach.
Java is an object-oriented language that follows the 'write once, run anywhere' principle.
It is used for developing a wide range of applications, from desktop to web and mobile applications.
Java programs are compiled into bytecode that can run on any Java Virtual Machine (JVM).
It provides built-in libraries and f...
Basic level aptitude questions and sql query
Basic data structure and algo. questions
I applied via Naukri.com and was interviewed in Feb 2021. There was 1 interview round.
posted on 30 Jan 2024
Simple mcq questions from java, msql, html, css, javascript
I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
It's pretty basic so you can solve it easy
Some programming questions asked like oops related
I applied via Walk-in and was interviewed in Oct 2021. There were 3 interview rounds.
based on 2 interviews
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