Java Code

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Conversions extends JApplet implements ActionListener
{
	JTextArea textarea;
	JTextField enter;
	JLabel label;
	JButton go;
	JScrollPane spane;

    public void init( )
	{
		setLayout( new FlowLayout( ) );
		label = new JLabel( "Enter the number you want me to count to:" );
		enter = new JTextField(5);
		textarea = new JTextArea( 7,6 );
		spane = new JScrollPane( textarea );
		go = new JButton( "GO!" );
		go.addActionListener( this );
		add( label );
		add( enter );
		add( spane );
		add( go );
	}
	public void actionPerformed( ActionEvent ae )
	{
	   Object src = ae.getSource( );
	   if ( src == go )
	   {
	      String text = enter.getText( );
		  if ( text.length( ) > 0 )
		  {
		     int num = Integer.parseInt( text );
			 textarea.setText( "" );
			 for ( int i=1; i<=num; i++ )
			 {
			    textarea.append( String.valueOf( i ) );
				textarea.append( "\n" );
			 }
		  }
	   }
	   else
	   		textarea.setText( "Please enter something first!" );
	}
}