Selenium Interview Question: How to Read/Write excel file in Selenium Part 1

In this tutorial we would learn basics of reading and writing an excel file through Selenium (Java). We would also learn:

1. Configuration of POI JAR files in eclipse.
2. Configuration of POI JAR files in Intellij.

[tafa]

wait 100 selenium basic I want it to repeat the wait time randomly in a time interval how should my line of code be ?