public class LoopConvert
{
  public static void main(String args[]){
    int n = 10;
    
    for(int x = 0; x < n; x++)
      System.out.println(x);
    
    System.out.println("-----------------");
    for_recurse(0, n);
  }
  
  static void for_recurse(int x, int n){
    // Terminating condition
    if(x >= n)
      return;
      
    System.out.println("forward:"+x);
    for_recurse(x+1, n);
    System.out.println("backward:"+x);
  }
}