SWT Combo Auto-complete

public class AutoCompleteComboMain {    static final Display display = new Display();    static final Shell shell = new Shell(display);    static String[] items = new String[] { "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday" };     public static void main(String[] args) {        shell.setText("SWT");        shell.setLayout(new GridLayout());        Combo combo = new Combo(shell, SWT.BORDER);        for (int i = 0; i < items.length; i++) {            combo.add(items[i]);        }        ComboUtil.addAutoCompleteFeature(combo);              shell.pack();        shell.open();        while (!shell.isDisposed()) {            if (!display.readAndDispatch()) {                display.sleep();            }        }        display.dispose();    }}

The key Comboutil code is as follows:

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public class ComboUtil {    public static void addAutoCompleteFeature(Combo combo) {        // Add a key listener        combo.addKeyListener(new KeyAdapter() {            public void keyReleased(KeyEvent keyEvent) {                Combo cmb = ((Combo) keyEvent.getSource());                setClosestMatch(cmb);            }             // Move the highlight back by one character for backspace            public void keyPressed(KeyEvent keyEvent) {                if (keyEvent.keyCode == SWT.BS) {                    Combo cmb = ((Combo) keyEvent.getSource());                    Point pt = cmb.getSelection();                    cmb.setSelection(new Point(Math.max(0, pt.x - 1), pt.y));                }            }            private void setClosestMatch(Combo combo) {                String str = combo.getText();                String[] cItems = combo.getItems();                // Find Item in Combo Items. If full match returns index                int index = -1;                for (int i = 0; i < cItems.length; i++) {                    if (cItems[i].toLowerCase().startsWith(str.toLowerCase())) {                        index = i;                        break;                    }                }                if (index != -1) {                    Point pt = combo.getSelection();                    combo.select(index);                    combo.setText(cItems[index]);                    combo.setSelection(new Point(pt.x, cItems[index].length()));                }            }        });    }

SWT Combo Auto-complete