Q$1$: BigDecimal & RoundingMode $($coding$)15$ points

Q$2$: enum & switch$-$case & try$-$catch $($coding$)20$ points

Q$3$: random & loops $($coding$)15$ points

Q$4$: polymorphism $($coding$)40$ points You need to create an Enum

with proper printouts

Can an expert give me an example for each question? Thx