/** main class computing the complete game tree */
public class TTTExplorer {
    /** main method setting up the tree, the GUI, and expanding the tree */    
    public static void main(String[] args) {
        int numPlayers = 2;
        TTTGameTree gameTree = new TTTGameTree(numPlayers);
        new GameTreeDisplay(gameTree);
        gameTree.expand();
    }
}