10+ Velopsys Technologies Interview Questions and Answers

Find the most frequent word in a paragraph that is not in a list of banned words.

• Split the paragraph into words and convert them to uppercase for case-insensitivity.

• Count the frequency of each word, excluding banned words.

• Return the word with the highest frequency in uppercase.

Validate if a given string is a palindrome after removing special characters, spaces, and converting to lowercase.

• Remove special characters and spaces from the input string

• Convert the string to lowercase

• Check if the modified string is equal to its reverse to determine if it's a palindrome

RestController is a specialized version of Controller in Spring framework used for RESTful web services.

• RestController is used for creating RESTful web services, while Controller is used for handling traditional web requests.

• RestController is annotated with @RestController, while Controller is annotated with @Controller.

• RestController returns data directly in the response body, while Controller returns a view.

• RestController is typically used for APIs, while Controller is used...read more

CSRF is a type of attack where a malicious website tricks a user into performing actions on another website. Session is a way to store user data on the server side.

• CSRF (Cross-Site Request Forgery) is a type of attack where a malicious website tricks a user into performing actions on another website without their knowledge or consent.

• CSRF attacks exploit the trust that a site has in a user's browser by sending unauthorized requests using the user's session.

• Sessions are a way ...read more

Serialisation is the process of converting an object into a stream of bytes to store or transmit it.

• Serialisation is used to save the state of an object and recreate it when needed.

• It allows objects to be converted into a format that can be easily stored or transmitted.

• Java provides built-in support for serialisation through the Serializable interface.

Search and Sort algorithms are essential for efficient data manipulation in frontend development.

• Search algorithm like binary search can be implemented to quickly find elements in a sorted array.

• Sort algorithms like bubble sort or quicksort can be used to arrange elements in a specific order.

• Implementing these algorithms in JavaScript involves writing functions that iterate through arrays and compare elements.

Use arrays to find all most occurring characters in a given string in Java.

• Create an array to store the frequency of each character in the string.

• Iterate through the string and update the frequency array.

• Find the maximum frequency and then iterate through the frequency array to find all characters with that frequency.

Tax slabs for New Regime & Existing Regime

• New Regime: Offers lower tax rates but without deductions and exemptions

• Existing Regime: Offers higher tax rates but allows deductions and exemptions

• Example: In the New Regime, the tax slabs are 5% for income up to Rs. 2.5 lakh, 10% for Rs. 2.5-5 lakh, and 15% for Rs. 5-7.5 lakh

Exemption limits for section 80EEA and 80EEB

• Section 80EEA provides deduction on interest paid on home loan for affordable housing

• Exemption limit under 80EEA is up to Rs. 1.5 lakh per year

• Section 80EEB provides deduction on interest paid on electric vehicle loan

• Exemption limit under 80EEB is up to Rs. 1.5 lakh per year