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I was interviewed in Jan 2021.
Round duration - 90 minutes
Round difficulty - Medium
2 Coding problems , MCQs (CS related, ML related)
An assignment is to link adjacent nodes at the same level in a binary tree. Each node in a binary tree has at most two children (left and right) and a next po...
In a singly linked list, detect if a loop exists and remove the loop if present. Modify the linked list directly to eliminate any loops before returning it.
Round duration - 60 minutes
Round difficulty - Medium
2 Coding problems, No compilation of code. Only pseudocode required
Given two sorted arrays A
and B
of sizes N
and M
, find the median of the merged array formed by combining arrays A
and B
. If the total number of elements, N + M
, is even, the m...
Given a binary tree, develop a solution to retrieve a list of all the leaf nodes in the order they appear from left to right. If two leaf nodes are equidistant fro...
Round duration - 40 minutes
Round difficulty - Hard
OS-CN fundamentals
Tip 1 : Never leave any topic from any chapter / Subject
Tip 2 : Learn to explain your thoughts well
Tip 3 : Learn from previous experiences / interviews / problems asked.
Tip 4 : Atleast 4 projects in Resume
Tip 1 : Atleast 4 projects on Resume
Tip 2 : Do not write false things. You always get caught. Be genuine.
Expected conditions are pre-defined conditions that can be used to wait for a certain state or element in Selenium.
ExpectedConditions.elementToBeClickable() - waits for an element to be clickable
ExpectedConditions.visibilityOfElementLocated() - waits for an element to be visible
ExpectedConditions.titleContains() - waits for the page title to contain a certain text
WebDriver is a tool for automating web applications. WebElement is an interface representing an HTML element.
WebDriver is a browser automation tool used to control the browser and interact with web elements
WebElement is an interface representing an HTML element on a web page
WebDriver interacts with web elements using the WebElement interface
Examples of web elements include buttons, text fields, and links
To wait for file loading in Selenium Automation, we can use explicit wait or thread.sleep() method.
Explicit wait is used to wait for a specific condition to occur before proceeding with the next step.
Thread.sleep() method is used to pause the execution for a specified amount of time.
We can also use the ExpectedConditions class to wait for a file to be loaded.
Waiting for a file to be loaded is important to ensure that t
I applied via Naukri.com and was interviewed before Jan 2020. There were 4 interview rounds.
Abstract class is a class that cannot be instantiated and can have both abstract and non-abstract methods. Interface is a blueprint for a class and can only have abstract methods.
Abstract class can have constructors while interface cannot
A class can implement multiple interfaces but can only inherit from one abstract class
Abstract class can have instance variables while interface cannot
Abstract class is used for code r...
Multiple credentials can be logged in using data from an excel sheet.
Read the excel sheet using a library like Apache POI
Iterate through the rows and columns to get the data
Use a loop to login with each set of credentials
Assert the login success or failure for each set of credentials
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