20+ Annapurna Pariwar Interview Questions and Answers

Multitasking in Java can be achieved through multithreading.

• Create a new thread using the Thread class or Runnable interface

• Use the start() method to start the thread

• Synchronize shared resources to avoid race conditions

• Use wait() and notify() methods for inter-thread communication

• Example: creating a thread to perform a long-running task while the main thread continues executing other tasks

Design a schema for a restaurant app like Zomato.

• Create tables for restaurants, menus, reviews, and users.

• Include columns for restaurant name, location, cuisine, and ratings.

• Add columns for menu items, prices, and descriptions.

• Include user information such as name, email, and password.

• Create relationships between tables using foreign keys.

• Implement search and filter functionality for restaurants and menus.

• Allow users to leave reviews and ratings for restaurants.

• Include featur...read more

SQL is a relational database while NoSQL is a non-relational database.

• SQL databases use structured query language while NoSQL databases use unstructured query language.

• SQL databases are vertically scalable while NoSQL databases are horizontally scalable.

• SQL databases are good for complex queries while NoSQL databases are good for large amounts of unstructured data.

• Examples of SQL databases include MySQL, Oracle, and PostgreSQL while examples of NoSQL databases include MongoDB...read more

Semaphores are a synchronization tool used to control access to a shared resource.

• Semaphores can be used to prevent race conditions in multi-threaded programs.

• They can be used to limit the number of concurrent accesses to a resource.

• Semaphores can be binary (0 or 1) or counting (0 to n).

• Examples of semaphore functions include wait(), signal(), and init().

Yield on a bond can be calculated by dividing the annual interest payment by the current market price of the bond.

• Yield on a bond is calculated by dividing the annual interest payment by the current market price of the bond.

• The formula for calculating yield on a bond is: Yield = (Annual Interest Payment / Current Market Price) * 100%

• For example, if a bond pays $50 in annual interest and is currently priced at $1,000, the yield would be (50 / 1000) * 100% = 5%

A transaction is a unit of work that is performed on a database.

• A transaction is a sequence of database operations that are treated as a single unit of work.

• It ensures that all the operations are completed successfully or none of them are performed.

• Transactions are used to maintain data consistency and integrity in a database.

• Examples of transactions include transferring money between bank accounts or updating inventory levels in a retail system.

Hashing is a process of converting data into a fixed-size output. Collision occurs when two different inputs produce the same output.

• Hashing is used for indexing and retrieving data quickly

• Hash functions should be deterministic and produce the same output for the same input

• Collisions can be resolved using techniques like chaining or open addressing

• Examples of hashing algorithms include MD5, SHA-1, and SHA-256

Options are financial instruments that give the holder the right, but not the obligation, to buy or sell an asset at a specified price before or on a specified date.

• Options can be call options, which give the holder the right to buy an asset at a specified price, or put options, which give the holder the right to sell an asset at a specified price.

• The specified price at which the asset can be bought or sold is known as the strike price.

• Options have an expiration date, after w...read more

Options strategies involve buying or selling options contracts to achieve a specific investment goal.

• Some common options strategies include covered calls, protective puts, straddles, and strangles.

• Each options strategy has its own risk and reward profile, and is used based on market conditions and investor objectives.

• Options strategies can be used for speculation, hedging, income generation, or risk management.

• Understanding the basics of options trading and strategies is esse...read more

Mandatory checks in client position file

• Client identification information

• Position details including quantity and price

• Trade date and settlement date

• Margin requirements and collateral

• Compliance with regulatory requirements

• Accuracy and completeness of data

Design an app to bring data from external vendors in different formats

• Create a data ingestion pipeline to collect data from various vendors

• Implement data transformation processes to standardize formats

• Utilize APIs or web scraping techniques to retrieve data from vendors

• Use a database to store and manage the collected data

• Implement data validation and cleansing techniques to ensure data quality

Mandatory fields to check bond income in Bloomberg

• To check bond income in Bloomberg, mandatory fields to be checked are bond identifier, coupon rate, maturity date, and price.

• The bond identifier can be ISIN, CUSIP, or Bloomberg ticker.

• Coupon rate is the interest rate paid by the bond issuer to the bondholder.

• Maturity date is the date when the bond will be redeemed.

• Price is the current market price of the bond.

• Other optional fields to check are yield, credit rating, and durati...read more

XPath is a language used to navigate XML documents and identify elements.

• XPath is a query language for selecting nodes from an XML document.

• It uses path expressions to navigate through elements and attributes.

• XPath can be used to locate elements based on their attributes, text content, or position in the document.

• It is commonly used in software testing to locate specific elements for verification or manipulation.

• Example: //div[@class='container'] selects all div elements with...read more

A stock split does not have any impact on the P&L of a company.

• Stock split increases the number of outstanding shares and reduces the share price proportionally.

• The total value of the shares remains the same before and after the split.

• The earnings per share (EPS) and the price-to-earnings (P/E) ratio change after the split, but not the total earnings or revenue.

• Investors may perceive a stock split as a positive signal and the stock price may increase.

• Companies may split their...read more

A total return swap is a financial contract in which one party agrees to make payments based on the total return of an underlying asset.

• Total return swap involves exchanging the total return of an asset or index for a fixed or floating rate of interest

• It allows investors to gain exposure to an asset without actually owning it

• The party receiving the total return pays a fixed or floating rate of interest to the other party

• Total return swaps are commonly used in the hedge fund i...read more

Design a historical pricing app for equity

• Utilize a database to store historical pricing data for equities

• Implement a user-friendly interface for users to search and view historical pricing

• Include features such as chart visualization, comparison tools, and customizable date ranges

• Consider incorporating real-time data updates and alerts for price changes