// a generalized for loop
import javax.swing.JOptionPane;
public class ForLoopsGeneral {
   public static void main( String[] args )
   {

		int index, begin, end, step, counter;

    	// Prompt the user to enter the starting number
    	String numString1 = JOptionPane.showInputDialog(null, 
      	"What is the first number? ", "Input Number Window", 
      	JOptionPane.QUESTION_MESSAGE);
    
    	// Convert the string into an int value
    	begin = Integer.parseInt(numString1);

    	// Prompt the user to enter the ending number
    	String numString2 = JOptionPane.showInputDialog(null, 
      	"What is the last number or highest possible? ", "Input Number Window", 
      	JOptionPane.QUESTION_MESSAGE);
    
    	// Convert the string into an int value
    	end = Integer.parseInt(numString2);

    	// Prompt the user to enter the increment
    	String numString3 = JOptionPane.showInputDialog(null, 
      	"What is the increment to use? ", "Input Number Window", 
      	JOptionPane.QUESTION_MESSAGE);
    
    	// Convert the string into an int value
    	step = Integer.parseInt(numString3);

		// "for" loop
      	for(counter= begin; counter <= end; counter+=step) 
      	{
	  		System.out.println("The value of counter is " + counter);
		 }
      	System.exit( 0 );   
   } // end main
} // end of program