第274页 其中CustomComparator这个类应为
package
Collection.Sort;
import
java.util.Comparator;
public
class
CustomComparator
implements
Comparator
{
public
int
compare(Object o1, Object o2)
{
String s1
=
(String)o1;
String s2
=
(String)o2;
if
(s1.equals(s2))
{
return
0
;
}
else
if
(s1.compareTo(s2)
>
0
)
{
return
-
1
;
}
else
{
return
1
;
}
}
}
s1.compareTo(s2)>0而非 s1.compareTo(s2)==1
