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DSA questions , OOPS , basics and recursion topics
Delegate is a type that represents references to methods with a specific parameter list and return type.
Delegates are similar to function pointers in C++ or pointers to member functions in C++.
Delegates allow methods to be passed as parameters.
Delegates can be used to define callback methods.
Delegates are used in event handling in C#.
C# is a versatile and powerful programming language with a strong ecosystem and support for various platforms.
C# is widely used for developing Windows applications, web applications, and games.
It has a rich set of libraries and frameworks like .NET Core and Xamarin for cross-platform development.
C# is a statically typed language, which helps catch errors at compile time and improve code quality.
I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.
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I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.
Sqlite database can be implemented in React Native using 'react-native-sqlite-storage' package.
Install 'react-native-sqlite-storage' package using npm.
Import SQLite from 'react-native-sqlite-storage'.
Create a database using SQLite.openDatabase() method.
Execute SQL queries using executeSql() method.
Close the database connection using close() method.
Generator functions are functions that can be paused and resumed, allowing for lazy evaluation of data.
Generator functions use the yield keyword to pause execution and return a value.
They can be used to generate an infinite sequence of values.
They are memory efficient as they only generate values when needed.
Example: function* myGenerator() { yield 1; yield 2; yield 3; }
Example: const infiniteGenerator = function*() {
Push notifications can be implemented in Android and iOS using Firebase Cloud Messaging (FCM) and Apple Push Notification service (APNs) respectively.
For Android, integrate FCM SDK in the app and use FCM console to send notifications.
For iOS, create an APNs certificate, configure the app to receive notifications, and use APNs to send notifications.
Both platforms require handling of notification payload in the app to di...
I used React Native for my last app.
Developed UI components using React Native
Integrated APIs to fetch and display data
Implemented Redux for state management
Used Firebase for authentication and database
Optimized app performance using React Native Debugger
Functional components are stateless and return UI elements based on input props, while non-functional components have state and can change UI based on user interaction.
Functional components are simpler and easier to test than non-functional components.
Non-functional components can have state and lifecycle methods, while functional components cannot.
Examples of functional components include buttons, labels, and icons, w...
posted on 24 Aug 2023
I applied via Naukri.com and was interviewed in Jul 2023. There were 3 interview rounds.
posted on 18 Feb 2024
posted on 10 Aug 2024
A self join query is used to join a table to itself in a SQL query.
Self join is used when a table needs to be joined with itself to compare rows within the same table.
It requires aliasing the table with different names to distinguish between the two instances of the same table.
Commonly used in hierarchical data structures or when comparing related rows in a table.
Group by query is used to group data based on a specific category.
Use the GROUP BY clause in SQL to group data based on a specific column
Aggregate functions like COUNT, SUM, AVG can be used with GROUP BY to perform calculations on grouped data
Example: SELECT category, COUNT(*) FROM products GROUP BY category
posted on 22 Apr 2021
I applied via Recruitment Consultant and was interviewed before Apr 2020. There were 4 interview rounds.
I applied via Recruitment Consulltant and was interviewed in Sep 2023. There were 4 interview rounds.
Intermediate aptitude questions .
No negative marking .
Written test held at JMR infotech
posted on 27 Oct 2023
I applied via Campus Placement and was interviewed before Oct 2022. There were 4 interview rounds.
It was a MCQ + Coding test
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