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The pillars of OOP are encapsulation, inheritance, and polymorphism.
Encapsulation: bundling of data and methods into a single unit
Inheritance: ability to create new classes from existing ones
Polymorphism: ability to use a single interface for multiple types
Web API security mechanisms protect against unauthorized access and ensure data integrity.
Authentication: Verify the identity of the user or client accessing the API.
Authorization: Determine what actions the authenticated user or client is allowed to perform.
Encryption: Securely transmit data over the network using encryption algorithms.
Input validation: Validate and sanitize user input to prevent common security vulne...
Deadlock in SQL occurs when two or more transactions permanently wait for each other to release resources.
Deadlock happens when two or more transactions acquire locks on resources and wait for each other indefinitely.
It can occur due to poor transaction scheduling, lock contention, or incorrect use of transactions.
To prevent deadlock, use proper transaction isolation levels, minimize lock contention, and ensure transac...
NICE interview questions for popular designations
I applied via Naukri.com and was interviewed in Sep 2023. There were 3 interview rounds.
OOPs concepts 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 to present the same interface for different data types.
Abstraction: Hiding the complex implementation detail
Get interview-ready with Top NICE Interview Questions
I applied via Company Website and was interviewed in Feb 2024. There was 1 interview round.
I applied via LinkedIn and was interviewed in Feb 2024. There was 1 interview round.
Designing a machine involves creating a detailed plan for its structure, functionality, and operation.
Consider the purpose of the machine and its intended use
Identify the key components and their interactions
Create a schematic or blueprint detailing the layout and connections
Select appropriate materials and technologies for construction
Test the machine for functionality and efficiency
Non-object oriented languages do not support the concept of objects and classes.
C
COBOL
Fortran
Pascal
The duration of NICE interview process can vary, but typically it takes about less than 2 weeks to complete.
based on 82 interviews
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