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posted on 8 Sep 2024
States in Flutter are the data values that can change during the lifetime of a widget.
States are used to manage the data that changes over time in a Flutter application.
There are two types of states in Flutter: Stateful and Stateless.
Stateful widgets have mutable state that can change over time, while stateless widgets are immutable.
Examples of states in Flutter include user input, network requests, and animations.
I manage states by using state management libraries like Redux and MobX, and by following best practices like separating UI and business logic.
Use state management libraries like Redux or MobX to centralize and manage application state
Follow best practices like separating UI and business logic to keep states manageable and maintainable
Utilize local component state for simple and isolated state management within compone
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I applied via Campus Placement and was interviewed before Oct 2021. There were 2 interview rounds.
Scaling refers to increasing capacity of a system. Horizontal scaling adds more machines, while vertical scaling adds more resources to a machine.
Horizontal scaling involves adding more machines to a system to increase capacity
Vertical scaling involves adding more resources to a machine to increase capacity
Use cases for horizontal scaling include handling increased traffic or adding redundancy
Use cases for vertical sca...
Contains linear and non linear data structures deep knowledge of trees and graphs
Dry run on a page involves testing the code without actually executing it.
Dry run involves walking through the code manually to check for errors
Helps in identifying logic errors before actual execution
Commonly used in debugging and testing code
I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.
Aptitude questions with some basic coding questions
They have given 3 coding questions and some pseudo codings
Dispose and finalize are methods used for releasing resources in .NET.
Dispose is used to release unmanaged resources immediately.
Finalize is used to release managed resources when the garbage collector runs.
Dispose can be called manually or through the using statement.
Finalize is called automatically by the garbage collector.
Dispose is implemented by IDisposable interface.
Finalize is implemented by Object class.
OOPs concepts are the principles of Object-Oriented Programming that help in designing and implementing software solutions.
Encapsulation - binding data and functions together
Inheritance - creating new classes from existing ones
Polymorphism - ability of objects to take on multiple forms
Abstraction - hiding implementation details
Objects - instances of classes that encapsulate data and behavior
Inheritance is a mechanism in OOP where a new class is derived from an existing class.
It allows for code reusability and promotes a hierarchical structure.
It can lead to tight coupling and make the code harder to maintain.
It can also result in the creation of unnecessary classes and increase complexity.
Example: A Car class can inherit properties and methods from a Vehicle class.
Example: A Square class can inherit prope
Explicit interface is a way to implement multiple interfaces with same method names.
Explicit interface is used to avoid naming conflicts when implementing multiple interfaces.
It is implemented by prefixing the interface name to the method name.
It is useful when implementing COM interfaces in .NET.
Example: void IInterface1.Method() and void IInterface2.Method()
Interface defines only method signatures while abstract class can have method implementations.
Interfaces can be implemented by multiple classes while abstract classes can only be extended by one class.
Interfaces are used for achieving multiple inheritance in Java while abstract classes are used for single inheritance.
Interfaces cannot have constructors while abstract classes can have constructors.
An example of an inter...
Startup method in .NET Core is used to configure the application's services and middleware.
Startup method is defined in Startup.cs file.
It includes ConfigureServices and Configure methods.
ConfigureServices is used to add services to the dependency injection container.
Configure is used to configure the HTTP request pipeline.
Example: public void ConfigureServices(IServiceCollection services) { services.AddMvc(); }
Example...
HTTP verbs are used to indicate the type of action being performed on a resource.
HTTP verbs include GET, POST, PUT, DELETE, PATCH, HEAD, OPTIONS
GET is used to retrieve data from a server
POST is used to submit data to a server
PUT is used to update an existing resource on a server
DELETE is used to delete a resource from a server
PATCH is used to partially update a resource on a server
HEAD is used to retrieve only the head...
Project architecture refers to the overall design and structure of a software project.
It includes the organization of components and modules
Defines the relationships between them
Specifies the technologies and tools used
Determines the overall performance and scalability
Examples include MVC, microservices, and client-server architecture
I applied via Job Portal and was interviewed before Nov 2022. There were 2 interview rounds.
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
It was ok. I was not able to solve all the questions.
To remove the last element from a linked list, iterate to the second last node and update its next pointer to null.
Iterate through the linked list to find the second last node
Update the next pointer of the second last node to null
I applied via Referral and was interviewed before Feb 2022. There were 3 interview rounds.
General and basic data structure question
Java programs for strings, palindrome, etc.
Use the StringBuilder class to manipulate strings efficiently.
To check if a string is a palindrome, compare it with its reverse.
To count the occurrences of a substring in a string, use the indexOf method in a loop.
To split a string into an array of substrings, use the split method.
posted on 12 Apr 2024
I appeared for an interview before Apr 2023.
I applied via Recruitment Consulltant and was interviewed in Dec 2022. There were 2 interview rounds.
Apptitude test is a mathematical reasoning in apptitude test there are many reasonings
It is based on programming on coding test.
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