Many web applications need to be tested on different browsers to check their compatibilities with various browsers.
When using JUnit, we can run a test on different browsers without actually changing the value of browser after one test execution. With the Parameterization option that is available with latest changes of Junit, this can be implemented very easily.
See the example below. With the example, you can execute your automation tests in multiple browsers without actually waiting to finish your tests and then passing the second and third browser value.
Let's test Selenium Master Login Test Case in 3 browsers.