Java Reference
In-Depth Information
12 {
13 Set<String> names =
new
HashSet<String>();
14 Scanner in =
new
Scanner(System.in);
15
16
boolean
done =
false
;
17
while
(!done)
18 {
19 System.out.print(
ÐAdd name, Q when
done: Ñ
);
20 String input = in.next();
21
if
(input.equalsIgnoreCase(
ÐQÑ
))
22 done =
true
;
23
else
24 {
25 names.add(input);
26 print(names);
27 }
28 }
29
30 done =
false
;
31
while
(!done)
32 {
33 System.out.print(
ÐRemove name, Q when
done: Ñ
);
34 String input = in.next();
35
if
(input.equalsIgnoreCase(
ÐQÑ
))
36 done =
true
;
37
else
38 {
39 names.remove(input);
40 print(names);
41 }
42 }
43 }
44
45 /**
46
Prints the contents of a set of strings.
47 @param s
a set of strings
48 */
49
private static void
print(Set<String> s)
50 {
