StringTokenizer 用例说明

[color=darkred] 需求：现在输入n个数字，以逗号，分开，然后按升序和降序分别显示 [/color]

 public static String[] splitStringByComma(String source){

       if(source==null || source.equals("")){

                   return null;

      }

StringTokenizer commToker = new StringTokenizer(source,",");

String [] result = new String[commaToker.countTokens()];

         int i=0;

while(commaToker.hasMoreTokens()){

             result[i] = commaToker.nextToken();

            i++;

     }

       return result ;

}

 public static void main(String[] args) throws Exception{

 

    String [] s = splitStringByComma("5,8,7,4,3,9,1");

        int [] ii = new int[s.length];

     for(int i=0; i<s.length;i++){

                   ii[i] =Integer.parseInt(s[i]);

        }

 

 

    Arrrays.sort(ii);

      //asc

for(int i=0; i<s.length;i++){

         System.out.println(ii[i]);

  }

 

// desc

for(int j=(s.length-1); j>=0; j--){

 System.out.println(ii[j]);

 

}

 

 

 

 

 

 

}