Ekart Logistics System Support Engineer Interview Questions and Answers

Reactjs is a JavaScript library for building user interfaces.

• Developed by Facebook

• Uses a virtual DOM for efficient updates

• Component-based architecture

• Supports server-side rendering

• Can be used with other libraries and frameworks

String manipulation problems involve modifying or analyzing strings of characters.

• Use built-in string methods like substring, replace, and split.

• Regular expressions can be powerful tools for pattern matching and manipulation.

• Be mindful of edge cases like empty strings and null values.

• Consider the time and space complexity of your solution.

• Practice with coding challenges on websites like LeetCode and HackerRank.

To switch between tabs in a browser using Selenium, we can use the getWindowHandles() method and switchTo() method.

• Use getWindowHandles() method to get the handles of all open tabs

• Store the handles in a Set

• Use switchTo() method to switch to a specific tab by passing the handle as an argument

Code to give rating in webtable for given applicant name and rating as input.

• Create a function that takes applicant name and rating as input.

• Search for the applicant name in the webtable.

• Update the rating for the applicant in the webtable.

• Return the updated webtable.

Count the number of repeated integers in an array

• Iterate through the array and use a hash table to keep track of the count of each number

• Return the count of numbers with a count greater than 1