List 排序 Java工具类
发布时间:2020-12-15 00:14:10 所属栏目:Java 来源:网络整理
导读:今天PHP站长网 52php.cn把收集自互联网的代码分享给大家,仅供参考。 /**############################################################################## DESCRIBE 关于给Vector,ArrayList和LinkedList特定List集合排
以下代码由PHP站长网 52php.cn收集自互联网 现在PHP站长网小编把它分享给大家,仅供参考 /** ############################################################################# # DESCRIBE 关于给Vector,ArrayList和LinkedList特定List集合排序的方法 # AUTHOR # DATE 2007-3-16 # 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("传入的list:"); out.println(list); out.println(); Collections.sort(list); out.println("默认的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("自定义排序sorting:"); out.println(list); out.println(); list = new ArrayList(Arrays.asList(words)); comp = new CaseInsensitiveComparator(); Collections.sort(list,comp); out.println("按照语种sorting:"); out.println(list); out.println(); } /** ############################################################################# # # @DESCRIBE 自定义的排序规则 # @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 按照语种进行排序的规则 # @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); } } } 以上内容由PHP站长网【52php.cn】收集整理供大家参考研究 如果以上内容对您有帮助,欢迎收藏、点赞、推荐、分享。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |