under the test for setRow() (exe3 day 6 ), it is, at the moment, redundant that i catch out of bounds exception because it is already handled by setElements and the method setRow() uses that method. is this problematic ? having methods depending on each other this much ? i could just as easily rewrite the code for set elements, but that just feels like reopeating myself too much. the problem is if in the future setElements is overriden