A.Add catch (L |N e).

B.Add catch (L e).

C.Add catch (N | L | M e).

D.Add catch (L |M N e).

E.Add catch (M |L e).

A.JoeMarry

B.Joenull

C.nullnull

D.nullMary

A.[-3, -2, -1]

B.A runtime exception is thrown.

C.[-1, -2, -3]

D.The compilation fails.

A.The method is never called.

B.before this object is deserialized

C.after this object is serialized

D.before this object Is serialized

E.after this object is deserialized

A.EUR -> 0.84
GBP -> 0.75
USD -> 1.00
CNY -> 6.42

B.The compilation fails.

C.CNY -> 6.42
EUR -> 0.84
GBP -> 0.75
USD -> 1.00

D.USD -> 1.00
GBP -> 0.75
EUR -> 0.84
CNY -> 6.42