字符串倒着输出

 1     /**
 2      *     倒着输出
 3      * @param originStr
 4      * @return
 5      */
 6     public static String reverse(String originStr) {
 7         if(originStr == null || originStr.length() <= 1) 
 8             return originStr;
 9         String substring = originStr.substring(1);
10         char charAt = originStr.charAt(0);
11         return reverse(substring) + charAt;
12     }

 1 /**
 2    *
 3    *demo
 4    */  
 5 
 6   public static void main(String[] args) throws Exception{
 7         for (int i = 0; i < 1; i++) {
 8             String string = reverse("abc");
 9             System.out.println(string);    //cba
10         }
11     }