Read & Write Excel & Properties File in Java Selenium

How to Configure & Read Properties File using Java utility
How to Use Properties File as Test Data input file for application under test (AUT).
How to Use Properties file as a Repository for storing locators.
How to Configure Apache POI Library with Maven & Selenium
How to Read Microsoft Excel using Apache POI Library.
How to Write Microsoft Excel using Apache POI Library.
Simple Data Driven Approach & diagram explained