A.Line 8

B.Line 9

C.Line 12

D.Line 10

E.Line 7

F.Line 11

A.Change the getRadius () method:
public double getRadius () {
area = Math.PI * radius * radius;
return radius;
}

B.Change the getArea () method public double getArea () { return area; }

C.Change the access modifier of the setradius () method to private

D.When the radius is set in the Circle constructor and the setRadius () method, recomputed the area and store it into the area field

A.Compilation fails

B.A B C Work done

C.A B C D Work done

D.A Work done

A.1 null

B.true false

C.false false

D.true true

E.A ClassCastException is thrown at runtime.

A.
Replace line n2 with:

B.

C.
Replace line n1 with:

D.
Replace line n2 with:

E.
Replace line n1 with: