Selenium is a free (open source) automated testing framework used to validate web applications across different browsers and platforms. You can use multiple programming languages like Java, C#, Python etc. to create Selenium Test Scripts. Currently, Selenium Web driver is most popular with Java. Java is one of the most and useful programming languages, you can build back-end of web applications and build robust test automation framework. This course concentrates on Java programming concepts needed for Selenium WebDriver or any other Automation tool.