question: @ Pure @ ShouldBePure public static String testParam6Good ( Object in1 , Object in2 , Object in3 , Object in4 , Object in5 , Object in6 ) { Pure4J . immutable ( in1 , in2 , in3 , in4 ) ; Pure4J . immutable ( in5 , in6 ) ; return in1 . toString ( ) ; }
target:  Calling with constants, gives a warning at compile time