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Persistent Systems
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I applied via Walk-in and was interviewed before Jul 2022. There were 3 interview rounds.
Basic questions on java core,collections,spring
Reverse a number in a given string
Iterate through the string and identify numbers
Reverse the identified numbers
Join the reversed numbers back to the original string
Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts them recursively, and then merges the sorted halves.
Divide the input array into two halves
Recursively sort the two halves
Merge the sorted halves back together
Hashmap is a data structure that stores key-value pairs and uses hashing to map keys to values.
Hashmap uses hashing function to determine the index of the key in the underlying array.
Collision handling is done by chaining or open addressing.
Hashmap provides constant time complexity O(1) for insertion, deletion, and retrieval.
Example: HashMap
I applied via Naukri.com and was interviewed in Jun 2021. There were 3 interview rounds.
AOT and JIT compilers are used to compile code, while Agile methodology is a project management approach.
AOT (Ahead of Time) compiler compiles code before it is executed, while JIT (Just in Time) compiler compiles code during runtime.
AOT is used in languages like C++, while JIT is used in languages like Java.
Agile methodology is a project management approach that emphasizes on iterative development, continuous feedback...
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
Average questions , not too easy not too difficult
C# is a programming language, ASP.NET is a web framework, and MVC is a design pattern for building web applications.
C# is used to write code for various applications, including web applications.
ASP.NET is a web framework that provides tools and libraries for building web applications.
MVC is a design pattern that separates an application into three components: Model, View, and Controller.
ASP.NET MVC is a web framework t...
Persistent Systems interview questions for designations
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The duration of Persistent Systems Software Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
based on 32 interviews
3 Interview rounds
based on 97 reviews
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