Java stringarray sorting and Chinese sorting

1. String Array sorting:

String [] reallist =...

// Sort by alphabet
Alphabetcompare AC = new alphabetcompare ();
Arrays. Sort (reallist, AC );

Public class alphabetcompare implements comparator <string> {

@ Override
Public int compare (string str1, string str2 ){
Return str1.compareto (str2 );
}
}

Very simple !!

2. In order to sort the obtained names in alphabetical order, write the following class:

JavaCode

2. Public ClassAlphabetcomparatorImplementsComparator <string> {
6. PrivateRulebasedcollator collator;
10. PublicAlphabetcomparator (){
12. Collator = (rulebasedcollator) collator
14. . Getinstance (Java. util. locale. China );
16. }
20. @ Override
22. Public IntCompare (string obj1, string obj2 ){
26. Collationkey C1 = collator. getcollationkey (obj1 );
28. Collationkey C2 = collator. getcollationkey (obj2 );
32. ReturnCollator. Compare (collationkey) C1). getsourcestring (),
34. (Collationkey) C2). getsourcestring ());
36. }
38. }

This is in ascending order. Changing C1 and C2 is in descending order.

Call method Java code

1. Alphabetcomparator CFC =NewAlphabetcomparator ();
2. Collections. Sort ([data to be sorted], CFC)