Java by API/org.eclipse.swt.custom/ScrolledComposite

new ScrolledComposite(Composite parent, int style)

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.ruposite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
  public static void main(String[] a) {
    
    final Display d = new Display();
    final Shell shell = new Shell(d);
    shell.setSize(250, 200);
    
    
    shell.setLayout(new FillLayout());
    ScrolledComposite sc = new ScrolledComposite(shell, SWT.H_SCROLL
        | SWT.V_SCROLL);
    Composite child = new Composite(sc, SWT.NONE);
    child.setLayout(new FillLayout());
    new Button(child, SWT.PUSH).setText("One");
    new Button(child, SWT.PUSH).setText("Two");
    sc.setContent(child);
    sc.setMinSize(300, 300);
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);
    
    
    
    shell.open();
    while (!shell.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
}