A.Sum is 600

B.A ClassCastException is thrown at line n2.

C.A ClassCastException is thrown at line n1.

D.Compilation fails at line n2.

E.Compilation fails at line n1.

A.Option C

B.Option A

C.Option B

D.Option D

A.float flt = (float) 1_11.00;

B.float flt = y1;
int y2 = 100;

C.double y1 = 203.22;

D.float flt = (float) y2 ;

E.Float flt = 100.00;

A.Option E

B.Option A

C.Option B

D.Option C

E.Option D

A.More dynamic code at runtime

B.More efficient code at runtime

C.More flexible and reusable code

D.Faster code at runtime

E.Code that is protected from extension by other classes