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I applied via Company Website and was interviewed in Feb 2024. There were 2 interview rounds.
I applied via Referral and was interviewed before Sep 2019. There were 3 interview rounds.
I approach dynamic objects by analyzing their behavior and adapting my approach accordingly.
I start by understanding the nature of the dynamic object and its expected behavior
I then analyze its movement patterns and any potential obstacles or hazards
Based on this analysis, I adapt my approach to ensure safe and efficient interaction with the dynamic object
For example, when working with a moving conveyor belt, I would e...
Implicit and explicit wait are two types of wait in Selenium used to synchronize the test execution with the application.
Implicit wait is used to set a default waiting time for the web elements to load before throwing an exception.
Explicit wait is used to wait for a specific condition to occur before proceeding with the test execution.
Implicit wait is set globally for the entire test script while explicit wait is set f...
I applied via Referral and was interviewed in May 2021. There were 4 interview rounds.
Design a system similar to YouTube for video sharing and streaming
Implement user authentication and authorization for uploading and viewing videos
Create a database to store video metadata, user information, and comments
Develop a recommendation algorithm based on user preferences and viewing history
Utilize a content delivery network (CDN) for efficient video streaming
Include features like video monetization, live stream
Java 8 introduced several new features including lambda expressions, streams, and default methods.
Lambda expressions allow for functional programming and concise code.
Streams provide a way to process collections of data in a parallel and functional manner.
Default methods allow for adding new functionality to interfaces without breaking existing implementations.
Method references provide a way to refer to methods without...
Customised immutable java class can be written by declaring all fields as final and not providing any setters.
Declare all fields as final
Do not provide any setters
Provide a constructor to initialize all fields
Override equals() and hashCode() methods
Make the class final
I applied via Campus Placement and was interviewed before Apr 2022. There were 4 interview rounds.
Knapsack Algorithm problem
Designing a scalable system involves considering factors like load balancing, horizontal scaling, and fault tolerance.
Utilize load balancing to distribute traffic evenly across servers.
Implement horizontal scaling by adding more servers to handle increased load.
Ensure fault tolerance by designing for redundancy and failover mechanisms.
Use caching and database sharding to improve performance and scalability.
Consider mic...
Debugging and optimizing code involves identifying and fixing errors and improving performance.
Use debugging tools like breakpoints, print statements, and logging to identify issues
Analyze code for inefficiencies and refactor where necessary
Optimize algorithms and data structures for better performance
Profile code to identify bottlenecks and optimize critical sections
Test changes to ensure they improve performance with
posted on 20 May 2017
I appeared for an interview in May 2017.
Yes, the string class can be extended in most programming languages.
Inheritance can be used to extend the functionality of the string class.
By creating a new class that inherits from the string class, additional methods and properties can be added.
Extending the string class allows for customization and adding specific functionality to strings.
Example: In Python, the string class can be extended by creating a new class
Implicit objects in JSP are predefined objects that are available for use without any declaration or initialization.
Implicit objects in JSP include request, response, session, application, out, config, pageContext, page, exception, and others.
These objects provide access to various aspects of the JSP environment and can be used to perform common tasks.
For example, the request object allows access to HTTP request parame...
A hash map is a data structure that uses a hash function to map keys to values.
Hash map stores key-value pairs
It uses a hash function to compute an index for each key
Collisions can occur when two keys hash to the same index
Hash maps provide fast access to values based on their keys
StringBuffer and StringBuilder are both used to manipulate strings, but StringBuffer is thread-safe while StringBuilder is not.
StringBuffer is synchronized, making it safe for use in multi-threaded environments.
StringBuilder is not synchronized, making it faster but not thread-safe.
StringBuffer is preferred when multiple threads are involved, while StringBuilder is preferred for single-threaded scenarios.
Both classes p...
MVC is a software architectural pattern that separates an application into three main components: Model, View, and Controller.
Model represents the data and business logic of the application.
View is responsible for displaying the user interface.
Controller handles user input, updates the model, and interacts with the view.
MVC promotes separation of concerns and modularity in software development.
Example: In a web applica...
Annotations used in RESTful web services
1. @Path - Specifies the URI path for the resource
2. @GET - Specifies that the method handles HTTP GET requests
3. @POST - Specifies that the method handles HTTP POST requests
4. @PUT - Specifies that the method handles HTTP PUT requests
5. @DELETE - Specifies that the method handles HTTP DELETE requests
6. @PathParam - Binds the value of a URI template parameter to a method paramete...
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Senior Engineer
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| ₹5 L/yr - ₹6 L/yr |
Engineer
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| ₹2.7 L/yr - ₹3 L/yr |
Quality Controller
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HSBC Group
Cholamandalam Investment & Finance
Citicorp
BNY