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Uplogic Technologies React Native Developer Interview Questions and Answers
Uplogic Technologies React Native Developer Interview Experiences
1 interview found
sakthiram_sd
(2 Questions)
- Q1. What is Promise?
- Ans.
Promise is an object representing the eventual completion or failure of an asynchronous operation.
Promises are used to handle asynchronous operations in JavaScript.
A Promise can be in one of three states: pending, fulfilled, or rejected.
Promises can be chained using .then() method to handle success and failure cases.
Example: const myPromise = new Promise((resolve, reject) => { ... });
- Q2. What is React and React Native?
- Ans.
React is a JavaScript library for building user interfaces, while React Native is a framework for building mobile applications using React.
React is a JavaScript library developed by Facebook for building user interfaces.
React allows developers to create reusable UI components.
React Native is a framework that allows developers to build mobile applications using React.
React Native enables developers to write code once an...
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Android Developer Interview Questions & Answers
Travclan Technology India
Anonymous
posted on 23 Dec 2024
I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.
Apt questions and some Java related questions
(2 Questions)
- Q1. Difference between Abstract and Interface class in Java
- Q2. Difference between Intent and Intent filter
(2 Questions)
- Q1. How do you the display a Toast message in Android?
- Ans.
To display a Toast message in Android, use the Toast class and call the makeText() method.
Create a Toast object by calling Toast.makeText() method with context, message, and duration parameters
Call show() method on the Toast object to display the message on the screen
- Q2. Toast.make Text(context, "Hello World",Toast.LENGTH_SHORT).show();
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