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Persistent Systems
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A constructor is a special type of method that is automatically called when an object is created in a class.
Constructors have the same name as the class they belong to.
They are used to initialize the object's state.
Constructors can have parameters to customize the initialization process.
Example: public class Person { public Person(String name) { this.name = name; } }
OOPS concepts refer to Object-Oriented Programming concepts which include classes, objects, inheritance, polymorphism, and encapsulation.
Classes: Blueprint for creating objects with attributes and methods.
Objects: Instances of classes that contain data and behavior.
Inheritance: Ability to create new classes based on existing classes.
Polymorphism: Ability to use a single interface for different data types.
Encapsulation:...
I applied via Recruitment Consulltant and was interviewed in Apr 2024. There were 2 interview rounds.
Azure cloud services are a collection of integrated cloud services that developers and IT professionals use to build, deploy, and manage applications through Microsoft's global network of datacenters.
Azure Virtual Machines
Azure App Services
Azure SQL Database
Azure Blob Storage
Azure Functions
I applied via Recruitment Consulltant and was interviewed in Apr 2024. There was 1 interview round.
Persistent Systems interview questions for designations
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I applied via LinkedIn and was interviewed in Sep 2020. There were 3 interview rounds.
Finally block will always execute, even if an exception is thrown in the try or catch block.
Finally block is used to execute code that must always run, regardless of whether an exception was thrown or not.
If an exception is thrown in the try or catch block, the finally block will still execute.
Finally block is often used to release resources like file handles, database connections, etc.
I applied via Naukri.com and was interviewed in Nov 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Nov 2020. There was 1 interview round.
OOPS stands for Object-Oriented Programming System.
OOPS is a programming paradigm that focuses on objects and their interactions.
It involves encapsulation, inheritance, and polymorphism.
Encapsulation is the process of hiding implementation details from the user.
Inheritance allows a class to inherit properties and methods from another class.
Polymorphism allows objects to take on multiple forms or behaviors.
Examples of O
A blueprint for creating objects that share common properties and behaviors.
Classes are used in object-oriented programming to create objects with similar attributes and methods.
They serve as a blueprint for creating objects.
Classes can inherit properties and methods from other classes.
Examples include a class for creating different types of cars or a class for creating different types of animals.
Abstraction is the process of hiding complex implementation details and exposing only the necessary information.
Abstraction allows us to focus on the essential features of an object or system, without getting bogged down in unnecessary details.
It helps to reduce complexity and increase efficiency in software development.
For example, a car dashboard abstracts away the complex workings of the engine and presents only the...
Object slicing is when a derived class object is assigned to a base class object, resulting in loss of derived class attributes.
Object slicing occurs when a derived class object is assigned to a base class object.
The result is the loss of derived class attributes.
This happens because the base class object can only hold the attributes of the base class.
Example: class Base { int x; }; class Derived : public Base { int y;...
I applied via Naukri.com and was interviewed in Jan 2021. There were 6 interview rounds.
I applied via Referral and was interviewed before Nov 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Feb 2021. There were 3 interview rounds.
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