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I am having difficulting creating a Kayles game for java using eclipse. I have all the needed funtions, except for the computer movements, which is what I am having difficulty with.

Any help would be appreciated, I have attached the file to this post.

package lab4;

import lab4.Test1.Position;
import java.util.Scanner;
import java.util.Random;

public class project1 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Position[] b = { Position.penny, Position.penny, Position.empty,
				Position.penny, Position.empty, Position.empty };

		// isValidSingleTest();
		// isValidDoubleTest();
		// printBoard(b);
		// System.out.println(numPennies(b));

	}

	
	enum Position {
		penny, empty
	}

	public static void printBoard(Position[] board) {
		for (int i = 0; i < board.length; ++i) {
			if (board[i] == Position.penny) {
				System.out.print("* ");
			} else {
				System.out.print("_ ");
			}
		}
		System.out.println();

	}

		//========================================================
	
	public static void isValidSingleTest() {

		Position[] board = { Position.penny, Position.penny, Position.empty,
				Position.penny, Position.empty, Position.empty };

		assert isValidSingleMove(board, 1) == true;
		assert isValidSingleMove(board, 2) == true;
		assert isValidSingleMove(board, -3) == false;
		assert isValidSingleMove(board, 4) == true;
		assert isValidSingleMove(board, 9) == false;
		System.out.println(" Single Works");
	}

	public static boolean isValidSingleMove(Position[] board, int p) {
		if (p < 1 || p > board.length) {
			return false;
		}
		if (Position.penny == board[p]) {
			return true;
		} else {
			return false;
		}
	}

	public static boolean isValidDoubleMove(Position[] board, int p1, int p2) {
		if (isValidSingleMove(board, p1) && isValidSingleMove(board, p2)) {
			if (p1 == p2 + 1 || p1 == p2 - 1) {
				return true;
			}
		}
		return false;
	}

	public static void isValidDoubleTest() {

		Position[] board = { Position.penny, Position.penny, Position.empty,
				Position.penny, Position.empty, Position.empty };

		assert isValidDoubleMove(board, 2, 1) == true;
		assert isValidDoubleMove(board, 1, 2) == true;
		assert isValidDoubleMove(board, 0, 4) == false;
		assert isValidDoubleMove(board, 2, 3) == false;
		assert isValidDoubleMove(board, 6, 7) == false;
		assert isValidDoubleMove(board, 8, 0) == false;
		assert isValidDoubleMove(board, 9, 0) == false;
		System.out.println(" Double Works ");
	}

	//========================================================
	
	public static int numPennies(Position[] board) {
		int count = 0;
		for (int i = 0; i < board.length; i++) {
			if (board[i] == Position.penny) {
				count = count + 1;
			}
		}
		return count;
	}

	public static void getUserMove(Position[] board) {
		
		Scanner sc = new Scanner(System.in);
		System.out.print("Please select the number of pennies you wish to remove: ");
		int numpen = sc.nextInt(); // numpen stands for user input for number
		// of
		// pennies in game
		try {
			if (numpen == 1) {
				System.out.print("Please select the penny you would like to remove: ");
				int pospen = sc.nextInt(); // pospen = input for a specific
				// penny to be
				// removed
				if (isValidSingleMove(board, pospen) == false) {
					System.out.println("The move that you have selected is not valid.");
				}
			}
		} catch (Exception e) {
			System.out.println("You have entered a string, please enter an integer.");
		}
		try{
			if (numpen == 2) {
				System.out.print("Please select the first penny you would like to remove: ");
				int pospen2a = sc.nextInt(); // first penny
				System.out.print("Please select the second penny you would like to remove: ");
				int pospen2b = sc.nextInt(); // second penny
				if (isValidDoubleMove(board, pospen2a, pospen2b) == false) {
					System.out.println("The moves that you have selected is not valid.");
				}
				else{ 
					return;
				}
			}
		}
				catch (Exception e) {
					System.out.println("You have entered a string, please enter an integer.");
				}
		}
			

	public static void Rules() {
		System.out.println("Players take turns removing coins as follows:");
		System.out.println("On one turn, a player may remove either 1 marker, or two markers that are touching each other.");
		System.out.println("<TIP: Notice that you can remove markers in such a way as to divide a single group into two groups.> ");
		System.out.println("The player who picks up the last marker wins.");

	}
	
	public static void MakeCompMove(Position[] board){
		Random generator = new Random();
		int compnumpen;
		int comppospen1;
		int comppospen2;
		int comppospen2a;
		int comppospen2b;
		int placepen;
		
		compnumpen = generator.nextInt(2)+1;	//random if comp makes single/double
		comppospen1 = generator.nextInt(board.length);	//random position with penny(single)
		comppospen2 = generator.nextInt(board.length);	//random position with penny(double)
		comppospen2a = comppospen2 + 1;	//case one for double
		comppospen2b = comppospen2 - 1 ;	//case two for double
		try {
			if (compnumpen == 1) {
				if (isValidSingleMove(board, comppospen1) == false) {
					for (int i = 0; )
					
				}
			}
		} 	catch (Exception e) {
			//try again;
		}
		try{
			if (compnumpen == 2) {
				if (isValidDoubleMove(board, comppospen2, comppospen2a) == false) {
					
				}
				else{ 
					return;
				}
			} 
		} 	catch (Exception e) {
				//try again;
			}
		
		
		}
		
		
		
		
		//random if comp makes single/double
		//		random position with penny
		//			check to see if valid
		//				makes its move
		//
		
		
		
		
		
		
		
		
		
		
		
	}

}
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Member Avatar for server_crash

What do you mean by computer movements? Please be more specific.

Member Avatar for qwester

Sorry for the vagueness. What I mean by computer movements, are the movements that the computer will make against the player. I was thinking of using the random class in this program, but it is proving to be a little difficult.

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