Iris Software Production Interview Questions and Answers

When I was join there no assignment I think now they conducting

Q1. Check the basic knowledge of our skills
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Q2. Need write programs
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Q1. Check the in-depth knowledge about our work
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Q1. Discuss salary details
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Q1. Javascript common fundamentals
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Q1. General Java, springboot and oops
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Q1. Managerial round with Technical Lld and design related questions
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Q1. Client round technical LLD AND HLD questions
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Q1. HR discussion about salary and client details
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Q1. Check if a linkedlist is palindrome
Ans. 
To check if a linkedlist is palindrome or not
• Traverse the linkedlist and push each element into a stack

• Traverse the linkedlist again and compare each element with the popped element from the stack

• If all elements match, then the linkedlist is palindrome
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Q2. Sort employees stream based on salary and department
Ans. 
Sort employees by salary and department
• Create a comparator function to compare salary and department

• Use the comparator function with the sort() method on the employee stream

• Return the sorted employee stream
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Q1. Count the duplicates in array
Ans. 
Count duplicates in array of strings
• Create a dictionary to store the count of each string

• Loop through the array and increment the count in dictionary

• Loop through the dictionary and count the duplicates

• Return the count of duplicates
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Q1. Managerial questions about resolving team issues
Ans. How will you solve a blocker
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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. Which design pattern do you use and why?
Ans. 
I primarily use the MVC design pattern for its clear separation of concerns and ease of maintenance.
• MVC (Model-View-Controller) - separates data, presentation, and user input into three interconnected components

• Singleton - ensures a class has only one instance and provides a global point of access to it

• Factory - creates objects without specifying the exact class of object that will be created

• Observer - defines a one-to...read more
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Q2. Core Java concepts
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Q1. Java Coding questions
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Q1. Coding plus java spring boot Microservices questions
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Develop java spring boot application from scratch

Q1. Coding questions. Real time questions on application
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Q1. Salary expectations
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Q1. Javascript, html, css and react questions
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Javascript and react code

Fully for multiple choice questions and answers, totally 60 minutes 60 questions.

Q1. Design pattern, single tone , dependency injection, some coding writing oops concepts
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