A.Remove the parameter from wheels method in line 3.

B.Add @Override annotation in line 2.

C.Replace the code in line 2 with Car ob = new Car();

D.Remove abstract keyword in line 1.

A.Option D

B.Option B

C.Option A

D.Option C

A.@SuppressWarnings on the main and print methods

B.@SuppressWarnings("unchecked") on main and @SafeVarargs on the print method

C.@SuppressWarnings("rawtypes") on main and @SafeVarargs on the print method

D.@SuppressWarnings("all") on the main and print methods

A.b1

B.2

C.b2

D.1

E.b3

F.3

G.The compilation fails due to an error in line 1.

A.public String toString() { return String.valueOf(ALPHA.v); }

B.public String toString() { return String.valueOf(Letter.values()[1]); }

C.public String toString() { return String.valueOf(v); }

D.String toString() { return "200"; }