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Loop in a linked list refers to a situation where a node in the list points to a previous node, creating a cycle.
Check for a loop using Floyd's cycle detection algorithm
Use two pointers, one moving at twice the speed of the other
If the two pointers meet at some point, there is a loop
To delete a node in a linked list with a given pointer, update the node's value and next pointer to the next node's value and next pointer.
Set the value of the node to the value of the next node
Set the next pointer of the node to the next node's next pointer
Implement a function to reverse a string in Go lang
Create a function that takes a string as input
Convert the string into a slice of bytes for easier manipulation
Use a loop to iterate through the slice and reverse the order of characters
Convert the reversed slice back into a string and return it
I was interviewed in May 2024.
I applied via Naukri.com and was interviewed before May 2023. There were 2 interview rounds.
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
Abstract class can have constructors, fields, and methods, while interface can only have constants and method signatures.
A class can extend only one abstract class, but can implement multiple interfaces.
Abstract classes are used to define a common behavior for subclasses, while interfaces are used to define a ...
NCR Voyix interview questions for designations
Get interview-ready with Top NCR Voyix Interview Questions
I applied via LinkedIn and was interviewed before Oct 2023. There were 2 interview rounds.
Coding test on hackerearth. two questions were asked
Reverse a linked list by changing the pointers direction
Iterate through the linked list and change the direction of pointers
Use three pointers - prev, current, next to reverse the list
Update the head of the linked list to the last node after reversing
Print the Fibonacci series
Use a loop to generate Fibonacci numbers
Start with 0 and 1, then add the previous two numbers to get the next number
Repeat this process until reaching the desired length of the series
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I applied via Naukri.com and was interviewed before Mar 2023. There were 2 interview rounds.
String manipulation using loops and conditionals for software engineering
Use loops to iterate through each character in the string
Use conditional statements to check for specific conditions and manipulate the string accordingly
Examples: reversing a string, counting occurrences of a specific character, removing whitespace
I applied via Talent500 and was interviewed in Dec 2024. There was 1 interview round.
SQL databases are relational databases with structured data and predefined schema, while NoSQL databases are non-relational databases with flexible schema and unstructured data.
SQL databases use structured query language for defining and manipulating data, while NoSQL databases use different query languages or APIs.
SQL databases are table-based, with rows and columns, while NoSQL databases can be document-based, key-va...
Methods for enabling communication between microservices
RESTful APIs
Message queues (e.g. RabbitMQ, Kafka)
gRPC (Google Remote Procedure Call)
Service mesh (e.g. Istio, Linkerd)
Event-driven architecture (e.g. using Apache Kafka)
I applied via Naukri.com and was interviewed in Jan 2022. There were 3 interview rounds.
They just asked about my previous experience and questions from my resume
I applied via Walk-in and was interviewed in Aug 2024. There was 1 interview round.
Daemon thread is a low priority thread that runs in the background and does not prevent the JVM from exiting.
Daemon threads are used for tasks that do not require user interaction or continuous execution.
They are automatically terminated when all non-daemon threads have finished.
Set a thread as daemon using setDaemon(true) method before starting it.
Example: Thread t = new Thread(); t.setDaemon(true); t.start();
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