Java203 拆解字串

package java實用級;

public class J203 {

    public J203() {

        // TODO Auto-generated constructor stub

    }

    public static void main(String [] args)                                            

    {

           

        if(args.length==1){

       

            String str []=args[0].split(",");

            System.out.println("逗號隔開的字串個數共有 : "+str.length);

            for(int i =0;str.length>i;i++){

                System.out.println((i+1)+"."+str[i]);

            }

        }

        else

        {System.out.println("參數錯誤,字串中不得空白或必須以逗號隔開");}

           

    }  

}