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HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.
HashMap internally uses an array of linked lists to store key-value pairs.
When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.
If multiple keys hash to the same index, a linked list is used to handle collisions.
HashMap uses the hashCode() method of ke...
JDK 8 features include lambda expressions, functional interfaces, streams, and default methods.
Lambda expressions allow you to write code in a more concise and readable way.
Functional interfaces enable the use of lambda expressions.
Streams provide a way to work with sequences of elements efficiently.
Default methods allow interfaces to have concrete methods.
Date and Time API improvements.
Objective technical question was given.
I applied via Naukri.com and was interviewed before May 2022. There were 3 interview rounds.
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Iris Software interview questions for designations
I applied via Naukri.com and was interviewed before Jul 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Nov 2020. There were 5 interview rounds.
I applied via Referral and was interviewed before Jun 2021. There were 4 interview rounds.
Java 8 introduced significant features like lambdas, streams, and new date/time APIs, enhancing productivity and code readability.
Lambda Expressions: Enable functional programming by allowing you to pass behavior as a parameter. Example: (a, b) -> a + b.
Streams API: Facilitates processing sequences of elements, enabling operations like filter, map, and reduce. Example: list.stream().filter(x -> x > 10).collect...
I appeared for an interview before Mar 2024, where I was asked the following questions.
The duration of Iris Software Senior Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.
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