code: import java.util.Random;
  public class Monty{
  	public static void main(String[] args){
  		int switchWins = 0;
  		int stayWins = 0;
  		Random gen = new Random();
  		for(int plays = 0;plays < 32768;plays++ ){
  			int[] doors = {0,0,0};//0 is a goat, 1 is a car
  			doors[gen.nextInt(3)] = 1;//put a winner in a random door
  			int choice = gen.nextInt(3); //pick a door, any door
  			int shown; //the shown door
  			do{
  				shown = gen.nextInt(3);
  			//don't show the winner or the choice
  			}while(doors[shown] == 1 || shown == choice);
  			
  			stayWins += doors[choice];//if you won by staying, count it
  			
  			//the switched (last remaining) door is (3 - choice - shown), because 0+1+2=3
  			switchWins += doors[3 - choice - shown];
  		}
  		System.out.println("Switching wins " + switchWins + " times.");
  		System.out.println("Staying wins " + stayWins + " times.");
  	}
  }
  