Something

import javax.swing.*;

class guessTheNumber {
    /**
     * 
     * @param args 
     */
    public static void main(String[] args) {
	int guesses = 0;
	int guess =101;
	int random = (int ) (100 * Math.random());
	JOptionPane.showMessageDialog( null, "welcome to the guess the number game");
		do { 
			if (guesses == 0){
			String inputGuess = JOptionPane.showInputDialog("Please enter your guess (a number between 1 and 100)");
			guess = Integer.parseInt(inputGuess);	
			}else if (guess < random) {
			String inputGuess = JOptionPane.showInputDialog("Please guess again (higher)");
			guess = Integer.parseInt(inputGuess);
			}else{
			String inputGuess = JOptionPane.showInputDialog("Please guess again (lower)");
			guess = Integer.parseInt(inputGuess);}
		guesses++;
		} while (guess != random);
	JOptionPane.showMessageDialog( null, "you win you took "+guesses+" guesses the number was "+random);
	}
}