|
/** ############################################################################# # DESCRIBE 關(guān)于給Vector，ArrayList和LinkedList特定List集合排序的方法 # AUTHOR 悠～游 # DATE 2006-7-12 # COMPANY FLX # PORJECT JAVA ############################################################################# */ import java.io.PrintStream; import java.text.CollationKey; import java.text.Collator; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.List; public class SortList { public static void main(String args[]) { String words[] = { "man", "Man", "Woman", "woman", "Manana", "manana", "ma?ana", "Ma?ana", "Mantra", "mantra", "mantel", "Mantel" }; PrintStream out = System.out; List list = new ArrayList(Arrays.asList(words)); out.println("傳入的list:"); out.println(list); out.println(); Collections.sort(list); out.println("默認(rèn)的sorting:"); out.println(list); out.println(); list = new ArrayList(Arrays.asList(words)); Comparator comp = Collections.reverseOrder(); Collections.sort(list, comp); out.println("反向sorting:"); out.println(list); out.println(); list = new ArrayList(Arrays.asList(words)); comp = new CollatorComparator(); Collections.sort(list, comp); out.println("自定義排序sorting:"); out.println(list); out.println(); list = new ArrayList(Arrays.asList(words)); comp = new CaseInsensitiveComparator(); Collections.sort(list, comp); out.println("按照語種sorting:"); out.println(list); out.println(); } /** ############################################################################# # # @DESCRIBE 自定義的排序規(guī)則 # @author Administrator # ############################################################################# */ public static class CaseInsensitiveComparator implements Comparator { public int compare(Object element1, Object element2) { String lower1 = element1.toString().toLowerCase(); String lower2 = element2.toString().toLowerCase(); return lower1.compareTo(lower2); } } /** ############################################################################# # # @DESCRIBE 按照語種進(jìn)行排序的規(guī)則 # @author Administrator # ############################################################################# */ public static class CollatorComparator implements Comparator { Collator collator = Collator.getInstance(); public int compare(Object element1, Object element2) { CollationKey key1 = collator.getCollationKey(element1.toString()); CollationKey key2 = collator.getCollationKey(element2.toString()); return key1.compareTo(key2); } } } |
|
|
