Java Reference
In-Depth Information
private
private
void
void
indexException
(
int
int
index
) {
throw
throw new
new
IllegalArgumentException
(
index
+
" doesn't correspond to an Artist"
);
}
public
public
String
getArtistName
(
int
int
index
) {
try
try
{
Artist artist
=
getArtist
(
index
);
return
return
artist
.
getName
();
}
catch
catch
(
IllegalArgumentException e
) {
return
return
"unknown"
;
}
}
}
Open Exercises
1. Look through your work code base or an open source project you're familiar with and
try to identify classes that have just static methods that could be moved to static meth-
ods on interfaces. It might be worth discussing with your colleagues whether they
agree or disagree with you.
