在一个方法中访问另一个方法中的SWT组件

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class SWTComponentAccessExample {
    private Button button;

    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display);

        SWTComponentAccessExample example = new SWTComponentAccessExample();
        example.createComponents(shell);
        example.accessComponent();

        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                display.sleep();
            }
        }
        display.dispose();
    }

    private void createComponents(Shell shell) {
        button = new Button(shell, SWT.PUSH);
        button.setText("Click me");
        button.setBounds(10, 10, 100, 30);
    }

    private void accessComponent() {
        button.addListener(SWT.Selection, event -> {
            System.out.println("Button clicked");
        });
    }
}