public class ConcurrentUtils {
 public static void listThread() {
 ThreadGroup group = Thread.currentThread().getThreadGroup();
 while (true) {
 ThreadGroup parent = group.getParent();
 if (parent == null) {
 break;
 } else {
 group = parent;
 }
 }
 group.list();
 }
}
</div><div class="naked_ctrl">
<form action="/index.cgi/speech" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="http://www.javainthebox.net/laboratory/J2SE1.5/MiscAPI/ConcurrencyUtils/src1/ConcurrentUtils.java">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="http://www.javainthebox.net/laboratory/J2SE1.5/MiscAPI/ConcurrencyUtils/src1/ConcurrentUtils.java" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech" selected="selected">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>