<ul><li>To run the main program in Scala 3, the sbt "runMain <function> <arg>" command can be used.</li><li>Creating a main class with an array of string arguments allows for more flexibility and avoids errors when no arguments are provided.</li><li>The mainargs library provides a more sophisticated approach to parsing arguments and offers additional functionality.</li><li>Using annotations like name, short, and doc, detailed parameters can be defined for the main program.</li></ul>

Using Arguments For Main Program in Scala 3

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