Main.java

import java.util.Scanner;


public class Main {
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		int sticks = (int)(Math.random()*10 + 21);
		System.out.println("There are " + sticks + " sticks." );
		System.out.println("Select 1 to go first, select 2 to go second.");
		boolean turn;
		if(input.nextInt()== 1) {
			turn = true;
		}else {
			turn = false;
		}
		
		while(sticks > 0) {
			if (turn) {
				sticks = playerMove(sticks, input);
			}else {
				sticks = computerMove(sticks);
			}
			
			System.out.println("There are " + sticks + " sticks left." );
			if(sticks == 0 && turn) {
				System.out.println("Player Wins!");
			}
			if(sticks == 0 && !turn) {
				System.out.println("Computer Wins!");
			}
			turn = !turn;
		}
			
	}
	
	public static int playerMove(int sticks, Scanner reader) {
		System.out.println("Select how many sticks to take");
		int take = reader.nextInt();
		if(take <1) {
			take = 1;
		}
		if(take > 3) {
			take = 3;
		}else if(take > sticks) {
			take = sticks;
		}
		System.out.println("You took " + take + " sticks.");
		return sticks - take;
	}
	
	public static int computerMove(int sticks) {
		int take;
		if (sticks % 4 != 0){
			take = sticks % 4;
		}else {
			take = (int)(Math.random()*3)+1;
			System.out.println("The computer took " + take + " sticks.");

		}
		return sticks - take;
	
	}	
	
	
}