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The output of the following block of code is | Scala Question 11

81. The output of the following block of code is -

object Demo {
    def sub( a:Int, b:Int ) = {
        println( (a-b) );
    }
    def main(args: Array[String]) {
        sub(b = 5, a = 7);
    }
}

1. -2
2. 2
3. Error
4. None of these

Answer: B) 2

Explanation:

Named arguments are passed and used.