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    Java編程中如何實現中文排序

    時間:2024-08-13 14:05:21 JAVA認證 我要投稿
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    Java編程中如何實現中文排序

      在不斷的Java學習中,我們就能發現在很多的時候還是有不少的技巧。下面YJBYS小編為大家整理了關于Java編程中如何實現中文排序的文章,希望對你有所幫助。

      第一種情況:

      Comparator cmp = Collator.getInstance(java.util.Locale.CHINA);

      String[] arr = { “張三”, “李四”, “王五”, “劉六” };

      Arrays.sort(arr, cmp);

      for (int i = 0; i 《 arr.length; i++)

      System.out.println(arr[i]);

      第二種情況:

      //ComparableBean.java

      import java.text.CollationKey;

      import java.text.Collator;

      import java.text.RuleBasedCollator;

      import java.util.Comparator;

      public class ComparableBean{

      private String name;

      public ComparableBean(String name) {

      this.name = name;

      }

      public String getName() {

      return name;

      }

      public void setName(String name) {

      this.name = name;

      }

      }

      class ComparableBeanComparator implements Comparator//

      {

      RuleBasedCollator collator; // you can set your rules for the instance “collator”

      public ComparableBeanComparator()

      {

      collator = (RuleBasedCollator)Collator.getInstance(java.util.Locale.CHINA);// try testing various locales

      }

      public int compare(Object obj1, Object obj2) {

      String tempname1 = ((ComparableBean) obj1)。getName();

      String tempname2 = ((ComparableBean) obj2)。getName();

      CollationKey c1 = collator.getCollationKey(tempname1);

      CollationKey c2 = collator.getCollationKey(tempname2);

      // return collator.compare(((CollationKey) c1)。getSourceString(),

      // ((CollationKey) c2)。getSourceString());

      return collator.compare(((CollationKey) c2)。getSourceString(),

      ((CollationKey) c1)。getSourceString());

      }

      // public int compare(ComparableBean obj1, ComparableBean obj2) {

      // String tempname1 = obj1.getName();

      // String tempname2 = obj2.getName();

      //

      // CollationKey c1 = collator.getCollationKey(tempname1);

      // CollationKey c2 = collator.getCollationKey(tempname2);

      // return collator.compare(((CollationKey) c1)。getSourceString(),

      // ((CollationKey) c2)。getSourceString());

      // }

      }

      //the end of ComparableBean.java

      測試代碼:

      ComparableBean[] nameContent = { new ComparableBean(“一切從實際出發”),

      new ComparableBean(“立于不敗之地”), new ComparableBean(“多項式”),

      new ComparableBean(“貫徹落實”), new ComparableBean(“密切聯系群眾”),

      new ComparableBean(“四項基本原則”), new ComparableBean(“咬牙切齒”),

      new ComparableBean(“恭恭敬敬”), new ComparableBean(“民警”),

      new ComparableBean(“經營承包責任制”) };

      Arrays.sort(nameContent,new ComparableBeanComparator());

      for (int i = 0; i 《 nameContent.length; i++) {

      System.out.println(nameContent[i]。getName());

      }

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