A.[Robb, Rick]

B.An exception is thrown at runtime.

C.[Robb, Rick, Bran]

D.[Robb, Bran, Rick, Bran]

A.acct (0) ;

B.acct.amount = 0;

C.acct.changeAmount(0);

D.this.amount = 0;

E.acct.changeAmount(-acct.amount);

F.acct.changeAmount(-acct.getAmount());

G.amount = 0;

H.acct. getAmount () = 0;

A.10:20

B.Compilation fails at line n1.

C.Compilation fails at line n2.

D.20:20

A.a, e
i, o

B.e, e
i, o

C.e, e
o, o

D.a, e
o, o

A.Cycleand MotorCycleboth extend the Transportationsuperclass.

B.Cycleis an abstract superclass of MotorCycle.

C.MotorCycleis a superclass of Cycle.

D.MotorCycleis an interface that implements the Cycleclass.

E.Cycleand MotorCycle both implement the Transportationinterface.

F.Cycleis an interface that is implemented by the MotorCycleclass.