Example 2 - Layout Managers
In this example, a panel is created with a FlowLayout for its layout manager. A flow layout positions children left-to-right in rows going from top-to-bottom. The children are sized according to their preferred size.

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    import org.eclipse.swt.widgets.Shell;
    import org.eclipse.swt.widgets.Display;
    import org.eclipse.draw2d.*;
    import org.eclipse.swt.SWT;
    import org.eclipse.draw2d.geometry.*;

    public class Demo2 {
    	public static void main(String args[]){
    		Shell shell = new Shell();
    		shell.open();
    		shell.setText("Draw2d");
    		LightweightSystem lws = new LightweightSystem(shell);
    		IFigure panel = new Figure();
    		panel.setLayoutManager(new FlowLayout());
    		lws.setContents(panel);

    		Clickable button = new Button("Click me");
    		Clickable checkbox = new CheckBox("Check box");

    		Shape ellipse = new Ellipse();
    		ellipse.setBackgroundColor(ColorConstants.yellow);
    		ellipset.setSize(64, 36);

    		Shape rectangle = new RectangleFigure();
    		rectangle.setBackgroundColor(ColorConstants.lightBlue);
    		rectangle.setSize(64, 36);

    		panel.add(button);
    		panel.add(checkbox);
    		panel.add(ellipse);
    		panel.add(rectangle);

    		Display display = Display.getDefault();
    		while (!shell.isDisposed ()) {
    			if (!display.readAndDispatch ())
    				display.sleep ();
    		}
    	}
    }