//display the number of letters, digits, and whitespace character in a string

import javax.swing.JOptionPane;

public class eg24_StringAnalyzer
{
	public static void main(String[] args)
	{
		String input;
		char[] array;
		int letters = 0;
		int digits = 0;
		int whitespaces = 0;
		
		input = JOptionPane.showInputDialog("Enter a string:");
		
		array = input.toCharArray(); //method to convert the string to a char array
		
		for (int i=0; i<array.length; i++)
		{
			//System.out.println(array[i]);
			if (Character.isLetter(array[i]))
				letters++;
			else if (Character.isDigit(array[i]))
				digits++;
			else if (Character.isWhitespace(array[i]))
				whitespaces++;
		}
		JOptionPane.showMessageDialog(null, letters+" letters\n"+digits+" digits\n"+whitespaces+" whitespaces\n");
	}
}