///////    RandomMove.java    ///////

public class RandomMove extends TicStrategy
{ 
// strategy used here:
//    a random multiplier (mult) relatively prime to 9
//    is used to go through the moves and find the first
//    open position

    public int move(int self, int opponent)
    { int amove=TicGame.NOMOVE;
      int mult = 0;
      while ( mult % 9 == 0 )
             mult = (int) (100.0*Math.random()); 
        
      for (int i = 0 ; i < 9 ; i++)
      {  int m = moves[(i*mult)%3], mv = (1 << m);
         if ( ((self|opponent) & mv) == 0)  // open square
                     return m;
      }
      return amove;  // no move found
    }
}