Java:
package Rekursion;
public class Endrekursion_Zweierpotenz {
public static void main(String[] args) {
//TODO Auto-generated method stub
System.out.println(fak_end(7));
}
public static int hilf(int n, int erg)
{
if(n>0)
return hilf(n-1, 2*erg);
else
return erg;
}
public static int fak_end(int n) {
return hilf(n,1);
}
}
