/**
 * Loop2Ex
 *
 * This program demonstrates loops structures.
 *
 * @author Brad Rippe
 */

 import javax.swing.*;
 import java.awt.*;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.ActionEvent;
 import java.awt.Container;
 import javax.swing.UIManager;

 public class Loop2Ex {

 	public static void main(String[] args) {

		/** DON'T BE CONCERNED WITH THIS SECTION **/
		JFrame frame = new JFrame( "Loop 2 Demo" );

		try {
	        UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
    	} catch (Exception e) { }


    	frame.addWindowListener(new WindowAdapter() {
        	public void windowClosing(WindowEvent e) {
				System.exit(0);
			}
	    });

		final JTextArea textArea = new JTextArea( 35, 35 );

		JScrollPane scrollPane = new JScrollPane( textArea );
		scrollPane.setPreferredSize( new Dimension( 600, 300 ) );
		frame.getContentPane().add( scrollPane, BorderLayout.CENTER );

		JButton codeButton = new JButton( "Show Code" );
		codeButton.addActionListener( new ActionListener() {
			public void actionPerformed( ActionEvent e ) {
				textArea.setFont( new Font("Courier", Font.BOLD, 16 ) );
				textArea.setText( "String message = \"\";\n" +
													"int j = 0;\n" +
													"int i = 0;\n" +
													"for( i=1; i <= 20; i++, j--) {\n" +
													"    message += \"for loop #\" +i+ \" j is \" +j+ \"\\n\";\n" +
													"    if( j < -5 ) {\n" +
													"        continue;\n" +
													"    }\n" +
													"    message += \"2nd display #\" + i+ \" j is \" +j+ \"\\n\";\n" +
													"} //end for");
			}
		});

        frame.getContentPane().add( codeButton, BorderLayout.SOUTH );
	    frame.pack();
      	frame.setVisible(true);

		testLoop( frame, textArea );
	}

	public static void testLoop(JFrame frame, JTextArea tA) {

		/***** THIS IS THE SECTION OF INTEREST *****/
		String message = "";
		int j = 0;
		int i = 0;
		for( i=1; i <= 20; i++, j--) {

			message += "for loop #" +i+ " j is " +j+ "\n";

			if( j < -5 ) {
				continue;
			}

			message += "2nd display #" + i+ " j is " +j+ "\n";

		} //end for
		tA.setText( message );
	}

}