Rayden Interactive Senior Implementation Analyst Interview Questions and Answers

Q1. Previous projects, Basic React Questions and Node js questions.
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Fetching data from api, DSA question (Queue implementation)

Q1. Salary and package discussion
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Q1. Managerial round - just project explanation
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Q1. 1.polyfill map, currying vs closure, reduce method, explain this?, 2.what is lazyload and suspense, single thread vs multi thread, Event loop(task queue & microtask queue)?
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Q2. Explain redux? Redux vs context api? ES6 features? Rest vs Spread? null vs undefined?
Ans. 
Redux is a predictable state container for JavaScript apps.
• Redux is a state management library for JavaScript applications.

• It helps in managing the state of an application in a predictable way.

• Redux follows a unidirectional data flow pattern.

• Context API is a built-in feature of React that can be used for state management, but it is not as powerful as Redux.

• ES6 features include arrow functions, template literals, destru...read more
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Output based question regarding shallow and deepcopy related to object.
write a program for i/p: "This is the JS guide, developer!" o/p: "sihT si eht SJ ,ediug !repoleved"
react timer based output start, stop and reset.

Q1. Interface vs abstract class
Ans. 
Interface defines a contract while abstract class provides partial implementation.
• Interfaces can only have abstract methods while abstract classes can have both abstract and non-abstract methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used for loose coupling while abstract classes are used for code reusability.

• Example of interface: Runnable interface in Java...read more
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Q2. What is Method overloading?
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Method overloading is when a class has multiple methods with the same name but different parameters.
• Method overloading allows for flexibility in method calls

• The methods must have different parameters, such as different data types or different numbers of parameters

• Example: public void print(int num) and public void print(String str)

• The compiler determines which method to call based on the arguments passed
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Q3. Indexing of sqlsever dstsbase
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Indexing in SQL Server database
• Indexing improves query performance by creating a structure that allows for faster data retrieval

• Clustered and non-clustered indexes are the two types of indexes in SQL Server

• Clustered indexes determine the physical order of data in a table while non-clustered indexes create a separate structure

• Indexing should be done strategically to avoid over-indexing which can slow down data modificat
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Q4. Value type & reference type
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Q1. Only Salary negitiation
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Q1. Few common questions from project & why did u left your current organization
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Q1. Oops concepts, lots of java
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Q2. In depth about Microservices
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Q3. About why I want to join
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Q1. Asked about Java,spring MVC,code snippets asked foroutput
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Q1. About rest template angular spring boot
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Q1. This round is withmanager about technical
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Q1. Salary discussion with hr policies
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Q1. No round was happened
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