A.Option B

B.Option C

C.Option D

D.Option A

A.b1

B.2

C.b2

D.1

E.b3

F.3

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

A.the loop starting line 11

B.the loop starting line 14

C.the loop starting line 3

D.the loop starting line 7

A.public void methodF(){System.out.println("F");}

B.final void methodG(){System.out.println("G");}

C.public int x;

D.final void methodE();

E.public String methodD();

F.public abstract void methodB();

G.private abstract void methodC();

A.Insert Comparator<Person> on line 1.
Insert
public int compare(Person p1, Person p2) {
return p1.name.compare(p2.name);
}
on line 2.

B.Insert Comparator<Person> on line 1.
Insert
public int compare(Person person) {
return person.name.compare(this.name);
}
on line 2.

C.Insert Comparator<Person> on line 1.
Insert
public int compareTo(Person person) {
return person.name.compareTo(this.name);
}
on line 2.

D.Insert Comparable<Person> on line 1.
Insert
public int compare(Person p1, Person p2) {
return p1.name.compare(p2.name);
}
on line 2.