List 排序

List<String> list = new ArrayList<String>(); 
        list.add("1"); 
        list.add("5"); 
        list.add("3"); 
        list.add("2"); 
         
        System.out.println("---------------NoSort-------------------"); 
        System.out.println(list); 
        Collections.sort(list,new Comparator<String>(){ 
            public int compare(String arg1,String arg2){ 
                return arg1.compareTo(arg2); 
            } 
        }); 
        System.out.println("---------------Sort-------------------"); 
        System.out.println(list); 
         
        list.removeAll(list); 
        list.add("a"); 
        list.add("e"); 
        list.add("ab"); 
        list.add("g"); 
        list.add("ac"); 
        list.add("ag"); 
        list.add("f"); 
         
        System.out.println("---------------NoSort-------------------"); 
        System.out.println(list); 
        Collections.sort(list,new Comparator<String>(){ 
            public int compare(String arg1,String arg2){ 
                return arg1.compareTo(arg2); 
            } 
        }); 
        System.out.println("---------------Sort-------------------"); 
        System.out.println(list); 
         
        list.removeAll(list); 
        list.add("我"); 
        list.add("爱"); 
        list.add("你"); 
        list.add("中"); 
        list.add("国"); 
         
        System.out.println("---------------NoSort-------------------"); 
        System.out.println(list); 
        Collections.sort(list,new Comparator<String>(){ 
            //比较ASCII码 
            public int compare(String arg1,String arg2){ 
                return arg1.compareTo(arg2); 
            } 
        }); 
        System.out.println("---------------Sort-------------------"); 
        System.out.println(list); 
         
        Collections.sort(list,new Comparator<String>(){ 
             Comparator cmp = Collator.getInstance(java.util.Locale.CHINA);   
            public int compare(String arg1,String arg2){ 
                //按字典顺序排序 
                return cmp.compare(arg1, arg2); 
            } 
        }); 
        System.out.println("---------------Sort-------------------"); 
        System.out.println(list);