True I think because it helps right?
1. false
2. d
3. b
4. a
5. b
6.c
7. b
8.a
9. d
10. b
11. d
12.a
13. c
14. c
15. a
Answer:
D. Change the def to def area (width, height = 12)
Explanation:
Required
Update the function to set height to 12 when height is not passed
To do this, we simply update the def function to:
def area (width, height = 12)
So:
In boxlarea = area (5,2), the area will be calculated as:

In box2area = area (6), where height is not passed, the area will be calculated as:

Solution :
a.
public Book(
, String author,
, int
) {
this.
=
;
this.
=
;
this.
=
;
this.
=
;
b).
getTitle() {
return
;
}
setTitle(
) {
this.
=
;
}
getAuthor() {
return author;
}
setAuthor(String author) {
this.
=
;
}
getPublisher() {
return
;
}
setPublisher(String
) {
this.
=
;
}
public int get
() {
return
;
}
set
(int
) {
this.
=
;
}