Deutsche Bank
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HashMap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
HashMap is part of the Java Collections framework.
It allows for efficient retrieval of values based on keys.
Keys in a HashMap must be unique, but values can be duplicated.
Example: HashMap
I applied via Naukri.com and was interviewed in Jul 2022. There were 4 interview rounds.
TestNG is a testing framework that allows running and writing test cases in Java.
Create a TestNG XML file with test suite and test cases
Write test methods with annotations like @Test, @BeforeMethod, @AfterMethod
Use assertions to verify expected results
Run tests using TestNG runner or Maven plugin
Javascript executor is used to execute javascript code in Selenium WebDriver.
It allows interaction with web elements that are not possible with Selenium commands.
It can be used to scroll down a page, highlight an element, or perform any other action that cannot be done with Selenium commands.
It is useful for testing dynamic web pages that use AJAX or other client-side scripting languages.
Example: driver.executeScript("
Behavioural and culture fit
Prime numbers are numbers that are only divisible by 1 and themselves.
Start by checking if the number is less than 2, as prime numbers start from 2.
Iterate from 2 to the square root of the number and check if the number is divisible by any of these numbers.
If the number is not divisible by any number in the range, then it is a prime number.
posted on 17 Aug 2023
I applied via Naukri.com and was interviewed before Aug 2022. There were 3 interview rounds.
HackerEarth / Hacker rank Test
Using dynamic programming to find the lowest cost for metro passes based on given days.
Create an array to store the minimum cost for each day.
Iterate through each day and calculate the minimum cost based on 1, 7, or 30 day pass.
Update the minimum cost for each day using dynamic programming.
Return the minimum cost for the total number of days needed.
I applied via Naukri.com and was interviewed in May 2024. There were 3 interview rounds.
DSA , LLD on bar raiser
DSA, SQL and discussions around projects
A notification system to alert users of important events or updates.
Define types of notifications (e.g. email, SMS, push notifications)
Implement a user preference setting for notification frequency
Include a notification history for users to review past alerts
posted on 13 Sep 2024
I applied via Job Portal and was interviewed in Dec 2023. There was 1 interview round.
Basic code to be written
Island Perimeter and Number of Provinces. Basic Leetcode question
based on 1 interview
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