/**
 *	Repetition.java
 *	
 *	@author Jeff Ondich 
 *	
 *	This program illustrates while-loops.
 *
 *	1. Compile, run, read, try to figure out what's happening.
 *	
 *	2. See if you can make the greetings count down to 1 rather
 *	than up from 1.  ("Hi there #10, Hi there #9...")
 *	
 */


import javabook.*;

class Repetition
{
    public static void main( String[] args )
    {
		// Get ready to talk to the us.
    	MainWindow mw = new MainWindow();
    	mw.setVisible( true );
    	mw.toFront();
    	
    	OutputBox out = new OutputBox( mw );
    	out.setVisible( true );
    	out.toFront();

		InputBox in = new InputBox( mw );

		// Ask for a number.
		int nGreetings = in.getInteger( "How many greetings do you desire?" );

		// Greet the user repeatedly.
    	int j = 1;
    	while( j <= nGreetings )
		{
			out.printLine( "Hi there #" + j );
			j = j + 1;
		}
		
		// Provide the user with a handy bit of extra information.
		int total = 0;
		j = 1;
		while( j <= nGreetings )
		{
			total = total + j;
			j = j + 1;
		}
		
		out.printLine( "The sum of the first " + nGreetings + " integers is " + total );
    }
}