public class RandomGame {
	private int numAttempts;
	private int guess;
	
	public RandomGame() {
		int difficulty;
		int rndNum;
		
		// specify difficulty
		String difficultyString = JOptionPane.showInputDialog("Enter a difficulty:");
		difficulty = Integer.parseInt(difficultyString);
		
		// generate random #
		rndNum = (int)((Math.random() * difficulty) + 1);
		
		doUserGuess(difficulty, rndNum);
		
		displayResults(rndNum);
	}
	
	public void displayResults(int rndNum) {
		// display results
		String displayMsg;
		if (guess == 0) {
			displayMsg = "You gave up - number was: " + rndNum;
		} else {
			displayMsg = "Good guess - you got it!";
		}
		displayMsg += "\nYou guessed " + numAttempts + " time(s)";
		JOptionPane.showMessageDialog(null, displayMsg, null, JOptionPane.INFORMATION_MESSAGE);
	}

	public void doUserGuess(int difficulty, int rndNum) {
		// ask user
		boolean correct = false;
		boolean stopped = false;
		guess = 0;
		numAttempts = 0;
		// initialize array of guesses
		do {
			// ask user for a guess
			String inputValue = JOptionPane.showInputDialog("Enter a value between 1 and " + difficulty + " (0 to quit):");
			guess = Integer.parseInt(inputValue);
			 
			if (guess == 0) {
				stopped = true;
			} else {
				if (guess == rndNum) {
					correct = true;
				} else {
					// check guesses and if incorrect, tell user
					// else, not guessed - so Give user hint
				}
				numAttempts++;
			}
		} while (!correct && !stopped);
	}

	static public void main(String[] args) {
		new RandomGame();
		System.exit(0);
	}
}