import org.eclipse.rap.rwt.application.AbstractEntryPoint;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;


public class BasicEntryPoint extends AbstractEntryPoint {

    /**
	 * 
	 */
	private static final long serialVersionUID = 2198863928438998868L;

	/**
     * @wbp.parser.entryPoint
     */
    protected void createContents(Composite parent) {
        parent.setLayout(new GridLayout(2, false));
        Button checkbox = new Button(parent, SWT.CHECK);
        checkbox.setText("Hello");
        Button button = new Button(parent, SWT.PUSH);
        button.setText("World");
    }

}

/**
 * @wbp.parser.entryPoint
 */
 @Override
 protected void createContents(Composite parent) {
    // if you want open with WindowBuilder.
    // Change code like:
    parent.setLayout(new FillLayout());
    Composite root= new Composite(parent,SWT.NONE) ;
 }