第一种情况： 


                  Comparator cmp = Collator.getInstance(java.util.Locale.CHINA);  
          
        String[] arr = { "张三", "李四", "王五", "刘六" };  
        Arrays.sort(arr, cmp);  
        for (int i = 0; i < arr.length; i++)  
            System.out.println(arr[i]);  


第二种情况： 

//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 


测试代码： 


                  ComparableBean[] nameContent = { new ComparableBean("一切从实际出发"), 
                new ComparableBean("立于不败之地"), new ComparableBean("多项式"), 
                new ComparableBean("贯彻落实"), new ComparableBean("密切联系群众"), 
                new ComparableBean("四项基本原则"), new ComparableBean("咬牙切齿"), 
                new ComparableBean("恭恭敬敬"), new ComparableBean("民警"), 
                new ComparableBean("经营承包责任制") }; 
        Arrays.sort(nameContent,new ComparableBeanComparator()); 
        for (int i = 0; i < nameContent.length; i++) { 
            System.out.println(nameContent[i].getName()); 
        }