Everi India fresher Interview Questions and Answers

Basic coding question along with MCQ question

Q1. Javascript, DSA, nodejs, sql
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Q2. What is promise in javascript
Ans. 
Promise in JavaScript 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) => { ... });
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Q3. DSA - Retrieve duplicate character from given string
Ans. 
Use a hashmap to keep track of characters and their counts, then retrieve characters with count > 1.
• Create a hashmap to store characters and their counts

• Iterate through the string and update the counts in the hashmap

• Retrieve characters with count > 1 from the hashmap
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Q4. SQL- write a syntax to create table
Ans. 
SQL syntax to create a table
• Use CREATE TABLE statement

• Specify table name and column names with data types

• Add constraints like primary key, foreign key, etc. if needed
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Q1. Salary and location discussion with few aptitude questions
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