SWT Java Tutorial

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public  void  select( int index)

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class ComboSelect {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    String[] ITEMS = { "A", "B", "C", "D" };
    final Combo combo = new Combo(shell, SWT.DROP_DOWN);
    combo.setItems(ITEMS);
    combo.select(2);
    
    combo.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        System.out.println(combo.getText());
      }
      public void widgetDefaultSelected(SelectionEvent e) {
        System.out.println(combo.getText());
      }
    });
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }
}