public static final int openedHandle=0x7f010007;
        /**  Defines panel position on the screen. 
         <p>Must be one of the following constant values.</p>
<table>
<colgroup align="left" />
<colgroup align="left" />
<colgroup align="left" />
<tr><th>Constant</th><th>Value</th><th>Description</th></tr>
<tr><td><code>top</code></td><td>0</td><td> Panel placed at top of the screen. </td></tr>
<tr><td><code>bottom</code></td><td>1</td><td> Panel placed at bottom of the screen. </td></tr>
<tr><td><code>left</code></td><td>2</td><td> Panel placed at left of the screen. </td></tr>
<tr><td><code>right</code></td><td>3</td><td> Panel placed at right of the screen. </td></tr>
</table>
         */
        public static final int position=0x7f010001;

Scanner sc = new Scanner(new FileInputStream("your_file"));
String regex = "(?i).*?public static final int (.*?)\\s*=.*";
Pattern p = Pattern.compile(regex);
while (sc.hasNext()) {
    String buf = sc.nextLine();
    if (! buf.matches(regex)) continue;
    Matcher m = p.matcher(buf);
    while (m.find()) System.out.println(m.group(1));
}