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public class RaiseCowByRecursive { 
 
 public static void main(String[] args) {
  
  for (int i=0; i<=10; i++) {
   System.out.println("µÚ" + i + "Ä꣺" + "Å©·òËùÑøÅ£µÄ×ÜÊý£º" + getCows(i) + "Í·");
  }
  
 }//end main
 
 private static int getCows(int age) { //¸ù¾ÝÅ£µÄÄêÁäÀ´¼ÆËãÅ£µÄ×ÜÊý
  
  //1£©µ±Å£µÄÄêÁäСÓÚ3ʱ£¬Å©·òµÄÅ£µÄ×ÜÊýΪ1
  //2£©µ±Å£µÄÄêÁä´óÓÚµÈÓÚ3ʱ£¨±íʾÈýÄêºó£©£¬¸ÃţÿÄê²úÉú1Í·Å££¬²¢ÇÒ¼ÓÉÏËüËùÉúµÄÅ£µÄ×ÜÊý£¨µÝ¹é£©
  int countCows = 0;
  if (age < 3) {
   countCows = 1;
  } else {
   countCows = 1;
   for (int i=0; i<=age-3; i++) {
    countCows += getCows(i);
   }
  }//end if-else
  return countCows;  
 }//end getCows
}


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