Java中递归方法使用

package h.classroompratise;
/*作者：陈天祥
时间：2016.10.11
功能：递归方法使用*/


public class recurSion {
//public static  double sum=200;
// public static  double high=100;


public static void main(String[] args) {
// TODO Auto-generated method stub
    int index=1;
    double sum=0;
    double high=0;
      m(index,sum,high);
}
public static void m(int index,double sum,double high){
//index++;
  if(index== 1) {
  high=100;
    sum=200;
  }else {
  sum += 2*high;
  high=high/2; /*第n次反跳高度*/ 
  }
 // index++;
//  m(index,sum,high);
  if(index==10)
  {  System.out.println("the sum is:"+sum);
     System.out.println("the high is:"+high);
      return;
  }
  index++;
  m(index,sum,high);  
  
}


}