public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setLayout(new FillLayout());
   final Table table = new Table(shell, SWT.BORDER);
   table.setHeaderVisible(true);
   final TableColumn column1 = new TableColumn(table, SWT.NONE);
   column1.setText("Column 1");
   final TableColumn column2 = new TableColumn(table, SWT.NONE);
   column2.setText("Column 2");
   TableItem item = new TableItem(table, SWT.NONE);
   item.setText(new String[] {"a", "3"});
   item = new TableItem(table, SWT.NONE);
   item.setText(new String[] {"b", "2"});
   item = new TableItem(table, SWT.NONE);
   item.setText(new String[] {"c", "1"});
   column1.setWidth(100);
   column2.setWidth(100);
   Listener sortListener =
       e -> {
         TableItem[] items = table.getItems();
         Collator collator = Collator.getInstance(Locale.getDefault());
         TableColumn column = (TableColumn) e.widget;
         int index = column == column1 ? 0 : 1;
         for (int i = 1; i < items.length; i++) {
           String value1 = items[i].getText(index);
           for (int j = 0; j < i; j++) {
             String value2 = items[j].getText(index);
             if (collator.compare(value1, value2) < 0) {
               String[] values = {items[i].getText(0), items[i].getText(1)};
               items[i].dispose();
               TableItem item1 = new TableItem(table, SWT.NONE, j);
               item1.setText(values);
               items = table.getItems();
               break;
             }
           }
         }
         table.setSortColumn(column);
       };
   column1.addListener(SWT.Selection, sortListener);
   column2.addListener(SWT.Selection, sortListener);
   table.setSortColumn(column1);
   table.setSortDirection(SWT.UP);
   shell.setSize(shell.computeSize(SWT.DEFAULT, SWT.DEFAULT).x, 300);
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
  public Shell open(Display display) {
    clipboard = new Clipboard(display);
    shell = new Shell(display);
    shell.setText("SWT Clipboard");
    shell.setLayout(new FillLayout());

    ScrolledComposite sc = new ScrolledComposite(shell, SWT.H_SCROLL | SWT.V_SCROLL);
    Composite parent = new Composite(sc, SWT.NONE);
    sc.setContent(parent);
    parent.setLayout(new GridLayout(2, true));

    Group copyGroup = new Group(parent, SWT.NONE);
    copyGroup.setText("Copy From:");
    GridData data = new GridData(GridData.FILL_BOTH);
    copyGroup.setLayoutData(data);
    copyGroup.setLayout(new GridLayout(3, false));

    Group pasteGroup = new Group(parent, SWT.NONE);
    pasteGroup.setText("Paste To:");
    data = new GridData(GridData.FILL_BOTH);
    pasteGroup.setLayoutData(data);
    pasteGroup.setLayout(new GridLayout(3, false));

    Group controlGroup = new Group(parent, SWT.NONE);
    controlGroup.setText("Control API:");
    data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 2;
    controlGroup.setLayoutData(data);
    controlGroup.setLayout(new GridLayout(5, false));

    Group typesGroup = new Group(parent, SWT.NONE);
    typesGroup.setText("Available Types");
    data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 2;
    typesGroup.setLayoutData(data);
    typesGroup.setLayout(new GridLayout(2, false));

    status = new Label(parent, SWT.BORDER);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    data.heightHint = 60;
    status.setLayoutData(data);

    createTextTransfer(copyGroup, pasteGroup);
    createRTFTransfer(copyGroup, pasteGroup);
    createHTMLTransfer(copyGroup, pasteGroup);
    createFileTransfer(copyGroup, pasteGroup);
    createMyTransfer(copyGroup, pasteGroup);
    createControlTransfer(controlGroup);
    createAvailableTypes(typesGroup);

    sc.setMinSize(parent.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);

    Point size = shell.computeSize(SWT.DEFAULT, SWT.DEFAULT);
    Rectangle monitorArea = shell.getMonitor().getClientArea();
    shell.setSize(
        Math.min(size.x, monitorArea.width - 20), Math.min(size.y, monitorArea.height - 20));
    shell.open();
    return shell;
  }
 /**
  * Sets the size of the shell to it's "packed" size, unless that makes it larger than the monitor
  * it is being displayed on, in which case just set the shell size to be slightly smaller than the
  * monitor.
  */
 static void setShellSize(ControlExample instance, Shell shell) {
   Point size = shell.computeSize(SWT.DEFAULT, SWT.DEFAULT);
   Rectangle monitorArea = shell.getMonitor().getClientArea();
   shell.setSize(Math.min(size.x, monitorArea.width), Math.min(size.y, monitorArea.height));
 }