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.
=
;
}
Answer:
Around seven billion people
Answer:
interface GUIComponent{
public void open();
public boolean close();
public void resize(int width, int height);
public void move(int x, int y);
}
Explanation: