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I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
Inheritance is a mechanism in object-oriented programming where a class inherits properties and behaviors from another class.
Inheritance allows for code reuse and promotes the concept of hierarchy.
The class that is being inherited from is called the base class or superclass.
The class that inherits from the base class is called the derived class or subclass.
The derived class can access the public and protected members o...
CORS (Cross-Origin Resource Sharing) is a mechanism that allows resources on a web page to be requested from another domain.
CORS is used to overcome the same-origin policy enforced by web browsers.
It allows a web page to make XMLHttpRequests to another domain, different from the domain that served the web page.
CORS involves the browser and the server communicating and agreeing on whether the request should be allowed o...
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MVC is a design pattern used in .NET development, while .NET lifecycle refers to the stages of a .NET application's execution.
MVC is a design pattern that separates an application into three main components: Model, View, and Controller.
.NET lifecycle refers to the stages of a .NET application's execution, including initialization, execution, and termination.
MVC helps in achieving separation of concerns and making the c...
Dispose is used to release unmanaged resources immediately, while Finalize is used for cleanup operations before an object is destroyed by the garbage collector.
Dispose is called explicitly by the developer, while Finalize is called by the garbage collector.
Dispose should be implemented in classes that directly interact with unmanaged resources.
Finalize should be implemented in classes that need to release resources be...
DOM sanitizer in Angular is used to sanitize untrusted HTML to prevent XSS attacks.
DOM sanitizer is used to sanitize HTML content before rendering it in Angular templates.
It helps prevent Cross-Site Scripting (XSS) attacks by removing potentially harmful content.
Angular provides a built-in DomSanitizer service for sanitizing HTML content.
Example: Using DomSanitizer in Angular template to sanitize a URL before rendering
I use Ngrx for state management in my current project by defining actions, reducers, effects, and selectors.
Define actions to describe user events or interactions
Create reducers to specify how state should change in response to actions
Implement effects to manage side effects like API calls
Use selectors to retrieve specific pieces of state for components
Stored procedures are precompiled SQL queries stored in the database, while functions are reusable code blocks that return a value.
Stored procedures are used for performing specific tasks or operations on the database.
Functions are used to encapsulate logic and can be called within SQL queries or other functions.
Stored procedures can have input and output parameters, while functions always return a value.
Stored procedu...
Model binder in MVC is used to map data from HTTP requests to action method parameters in controllers.
Model binder maps form data, query string parameters, and route data to action method parameters in MVC controllers.
It helps in simplifying the process of extracting data from HTTP requests.
Model binder can be customized by creating custom model binders to handle complex data binding scenarios.
Yes, the transaction will be rolled back if the innermost stored procedure throws an error.
If an error occurs in the innermost stored procedure, it will cause the entire transaction to be rolled back.
This ensures that the database remains in a consistent state.
Rolling back the transaction means that any changes made by the stored procedures within the transaction will be undone.
NgOnInit is a lifecycle hook in Angular that is called after the component has been initialized, while the constructor is a TypeScript feature used to initialize class properties.
NgOnInit is specific to Angular components, while constructor is a general TypeScript feature.
NgOnInit is used for initialization logic that relies on Angular's view and input bindings being initialized, while constructor is used for basic ini...
zone.js is a library for managing asynchronous operations in Angular applications.
zone.js helps in tracking asynchronous operations and their execution context in Angular applications.
It provides hooks for intercepting asynchronous tasks like setTimeout, setInterval, and promises.
zone.js can be used for profiling, debugging, and error handling in Angular applications.
Use a query with GROUP BY and HAVING clause to identify and remove duplicates from a table.
Use GROUP BY to group rows with the same values
Use HAVING COUNT(*) > 1 to identify duplicates
Use DELETE statement to remove duplicates
It was data structures and algorithm
I applied via Referral and was interviewed in May 2024. There were 4 interview rounds.
Moderate coding question
Assignment based on a app
Inheritance in Java allows a class to inherit properties and behavior from another class.
Inheritance allows for code reusability and promotes a hierarchical relationship between classes.
Subclasses can access the methods and fields of their superclass.
Example: class Dog extends Animal {} - Dog inherits properties and behavior from Animal class.
OOP focuses on objects and classes, while POP focuses on procedures and functions.
OOP emphasizes data encapsulation and inheritance
POP emphasizes sequential execution of procedures
Example of OOP: Java, C++
Example of POP: C, Pascal
It was a coding test with 3 medium-hard questions
I applied via Job Fair and was interviewed in Nov 2023. There were 2 interview rounds.
Customer service is an essential element in software development.
Customer service involves providing support and assistance to users of software applications.
It includes addressing user queries, resolving issues, and ensuring customer satisfaction.
Software developers may interact with customers through various channels like email, phone, or live chat.
Good customer service can lead to positive user experiences and incre...
Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.
Encapsulation helps in hiding the internal state of an object and only exposing necessary functionalities.
It allows for better control over the data by preventing direct access from outside the class.
Encapsulation also helps in achieving data abstraction and information hiding.
Example: In a class representing a car, th...
To call a REST API, you can use tools like Postman or code in languages like JavaScript or Python.
Use tools like Postman to make HTTP requests to the API endpoints
In programming languages like JavaScript, use libraries like Axios or Fetch to make API calls
Include necessary headers, parameters, and authentication tokens in the request
Handle the response data accordingly, whether it's JSON, XML, or other formats
Duration - 1 hour
Topics - Aptitude, Debug Code, Technical MCQ
posted on 28 Sep 2022
I applied via campus placement at Amrita Vishwa Vidyapeetham, Amritapuri Campus and was interviewed in Aug 2022. There were 2 interview rounds.
The initial round was mixture of video interview and coding round.We will be asked 2 video interview questions and 2 coding questions
The longest alphabetical sequence in a string of combined numbers can be separated using string manipulation and iteration.
Iterate through the string character by character
Check if the current character is alphabetical
If it is, start building a substring of alphabetical characters
If the next character is also alphabetical, add it to the substring
If the next character is not alphabetical, compare the length of the curre...
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