Keep URLs and browser in a properties file (Java)

QuizEasy-MediumJava onlyAsked in: Cognizant, TCS, Wipro

The framework reads config.properties, which holds baseUrl and browser. CI must run the same tests on Firefox without editing the file. What is the usual design?

Choose one answer.

Load the file with java.util.Properties, but let System.getProperty("browser") win when it is set, and run mvn test -Dbrowser=firefox
Edit config.properties in the CI job before each run
Hard-code the browser in each test class
Keep one copy of the whole framework per browser

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