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A program to check if two strings are palindromes.
Create a function that takes two strings as input.
Reverse the second string and compare it with the first string.
If they are the same, return true. Otherwise, return false.
Reversing an integer without using string in Python
Convert the integer to a list of digits
Reverse the list
Convert the list back to an integer
A program to reverse the characters of a given string.
Iterate through the string from the end and append each character to a new string.
Use built-in functions like reverse() or StringBuilder in Java.
Convert the string to an array, reverse the array, and convert it back to a string.
Test cases to test ATM machine
Verify if the ATM machine is dispensing the correct amount of cash
Check if the ATM machine is accepting valid debit/credit cards
Ensure that the ATM machine is providing proper instructions to the user
Test if the ATM machine is properly handling errors and exceptions
Validate if the ATM machine is maintaining transaction records accurately
PUT is used to update an existing resource, PATCH is used to partially update an existing resource, and POST is used to create a new resource.
PUT replaces the entire resource with the new one, while PATCH only updates the specified fields
PUT and PATCH are idempotent, meaning multiple identical requests will have the same effect as a single request
POST is not idempotent and creates a new resource
PUT and PATCH require th...
A Java file can have multiple classes, but only one public class.
A Java file can have multiple non-public classes.
The name of the public class must match the name of the file.
Only the public class can be accessed from outside the file.
Non equi join is a type of join in SQL where the condition used is not an equality operator.
Non equi join is used to join tables based on conditions other than equality.
It is used when the join condition involves operators like >, <, >=, <=, etc.
Non equi join can result in a Cartesian product if not used carefully.
Example: SELECT * FROM table1 JOIN table2 ON table1.column1 > table2.column2;
SQL CASE statement is used to add conditional logic to SQL queries.
It allows for conditional execution of SQL statements.
It can be used in SELECT, WHERE, and ORDER BY clauses.
It can be used with multiple conditions and ELSE statements.
Example: SELECT name, CASE WHEN age < 18 THEN 'Minor' ELSE 'Adult' END AS age_group FROM users;
Example: SELECT name, CASE WHEN score >= 90 THEN 'A' WHEN score >= 80 THEN 'B' ELSE 'C' END
To initialise a browser using Selenium, we need to create an instance of the WebDriver interface.
Import the necessary packages for Selenium and WebDriver
Create an instance of the desired browser driver
Use the driver instance to open a new browser window
Selenium uses browser-specific drivers to communicate with the browser and automate user actions.
Selenium sends commands to the browser driver, which translates them into browser-specific actions.
The driver then sends the results back to Selenium.
Selenium can interact with the browser using various methods such as find elements, click, type, etc.
Selenium supports multiple browsers such as Chrome, Firefox, Safari, and m
I was interviewed in Jan 2025.
Yes, it is important to carry a hardcopy of your CV for reference during the interview.
Having a hardcopy shows preparedness and professionalism.
Allows for easy reference during the interview.
Can be shared with the interviewer if needed.
Shows attention to detail and organization.
Demonstrates respect for the interviewer's time.
Paytm interview questions for popular designations
I applied via Referral and was interviewed in Dec 2024. There was 1 interview round.
Handling a team involves effective communication, delegation, motivation, and conflict resolution.
Establish clear goals and expectations for the team
Communicate openly and regularly with team members
Delegate tasks based on team members' strengths and skills
Provide feedback and recognition for good work
Address conflicts and issues promptly and fairly
Lead by example and demonstrate a positive attitude
Encourage collaborat
Recruit team members based on skills, experience, and cultural fit.
Identify the specific skills and experience needed for the team
Utilize various recruitment channels such as job boards, social media, and employee referrals
Conduct thorough interviews to assess candidates' qualifications and cultural fit
Consider diversity and inclusion when selecting team members
Get interview-ready with Top Paytm Interview Questions
I was interviewed in Dec 2024.
The Longest Substring Without Repeating Characters problem involves finding the length of the longest substring without any repeating characters.
Best solution: Sliding Window approach with HashSet to track unique characters. Time complexity O(n), space complexity O(min(n, m)) where n is the length of the string and m is the size of the character set.
Worst solution: Brute force approach checking all substrings for uniqu...
I was interviewed in Dec 2024.
This is a HackerEarth coding test that consists of 20 or 22 basic questions focused on iOS and Swift, along with two data structure and algorithm problem-solving questions; one of these is challenging, while the other is easier.
Use asynchronous image loading to display 'n' images in a table view efficiently.
Use SDWebImage or AlamofireImage libraries for asynchronous image loading.
Store image URLs in an array and load images dynamically as cells are displayed.
Implement caching mechanism to avoid reloading images every time a cell is displayed.
I applied via Company Website and was interviewed in Oct 2024. There were 3 interview rounds.
Hackerrank - 2 question
Search for a target value in a sorted matrix efficiently.
Start from the top right corner and move left or down based on comparison with target value
Utilize the sorted nature of the matrix to eliminate certain rows or columns
Implement binary search for more efficient search in each row or column
I applied via Referral and was interviewed in Oct 2024. There were 2 interview rounds.
Speaking well in group discussion Explain To boys how to understand customers
I applied via Referral and was interviewed in Nov 2024. There were 2 interview rounds.
I have 2 years of experience in sales, including managing a team of 5 sales representatives.
Managed a team of 5 sales representatives
Achieved 20% increase in sales revenue in the first year
Implemented new sales strategies to improve performance
I have 2 years of team handling experience with a team of 5 members.
Managed a team of 5 sales representatives in my previous role
Provided guidance, training, and support to team members to achieve sales targets
Conducted regular team meetings to discuss strategies and address any issues
Implemented performance evaluations and provided feedback for improvement
Collaborated with other departments to ensure smooth operations
I have a strong background in sales and have worked in various industries. I see myself excelling in a challenging sales environment where I can utilize my skills.
Extensive experience in sales, including prospecting, negotiating, and closing deals
Familiarity with CRM systems and sales analytics
Strong communication and interpersonal skills
Ability to work well under pressure and meet sales targets
Interested in a role tha...
I employ a variety of hiring techniques to ensure the best candidates are selected.
Utilizing job boards and online platforms to reach a wide pool of candidates
Networking and attending industry events to connect with potential candidates
Conducting thorough interviews to assess skills and cultural fit
Using assessments and tests to evaluate candidates' abilities
Seeking referrals from current employees for potential candid
The duration of Paytm interview process can vary, but typically it takes about less than 2 weeks to complete.
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