Iris Software Interview Questions, Process, and Tips

Q1. Java Multithreading
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Q2. Core java using java 8 features
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Core Java features in Java 8 include lambda expressions, functional interfaces, streams, and default methods.
• Lambda expressions allow you to pass functionality as an argument to a method.

• Functional interfaces have a single abstract method and can be used with lambda expressions.

• Streams provide a way to process collections of objects in a functional style.

• Default methods allow interfaces to have methods with implementat...read more
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Q3. Oops concepts in java
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Oops concepts in java refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability of a method to do different things based on the object it is acting upon.

• Abstraction: Hiding the imp...read more
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Q4. Spring MVC and Batch
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Q5. Basic SQL queries, joins and all
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Its was pretty standard with the whole spectrum of questions ranging from medium to difficult.

Q1. It was very tedious as if the interviewer already had the mind made-up to fail me
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Q2. Two programming questions and multiple theory questions
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Q1. Standard routine queries for personal information and salary negotiation
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Q1. Automation framework structure and components
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An automation framework consists of a set of guidelines, coding standards, and best practices to automate testing.
• The framework should be modular and scalable

• It should have a clear separation of concerns

• It should have reusable components such as libraries, functions, and utilities

• It should have a reporting mechanism to track test results

• It should support multiple test types such as functional, regression, and performan...read more
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Q1. Basic programming like string reverse
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Q1. It was normal interview questions we can easily answer them . But should ready with you content and project which you are going to explain as they expect more elaborative with your role and responsibilitie...read more
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Q1. Be prepared with your core concepts and the coding part
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Q1. Normal Wfm process explanation
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WFM process involves forecasting, scheduling, real-time management, and reporting to optimize workforce efficiency.
• Forecasting: predicting future workload and staffing needs

• Scheduling: creating employee schedules based on forecasted needs

• Real-time management: monitoring and adjusting schedules in real-time

• Reporting: analyzing data to improve future forecasting and scheduling

• Examples: call center staffing, retail store
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Q1. Scenario bases questions
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Q1. Normal detailed discussion with head of department
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Q1. Java 8 vs 7 case studies. Stream vs collections case studies.
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Java 8 introduced streams which are more efficient than collections in certain cases.
• Streams are useful for processing large amounts of data in parallel

• Collections are better for small amounts of data or when modifying data

• Java 8's stream API provides a functional programming approach to data processing

• Java 7's collections API is more traditional and imperative

• Example: Using streams to filter and map data from a databa...read more
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Q1. Add one to a given String of number
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Add one to a given String of number
• Convert the string to integer, add one, and convert back to string

• Handle edge cases like leading zeros

• Consider using built-in functions like parseInt() and toString()
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Q1. Hash map implementation. exception handling in lambda exp. microservices architecture.
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Q1. Why u want to join?
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