Java tutorial
//package com.java2s; import java.util.Arrays; import java.util.HashSet; public class Main { /** * Get all threads * * @return */ public static String[] getThreadNames() { ThreadGroup group = Thread.currentThread().getThreadGroup(); ThreadGroup parent = null; while ((parent = group.getParent()) != null) { group = parent; } Thread[] threads = new Thread[group.activeCount()]; group.enumerate(threads); HashSet<String> set = new HashSet<String>(); for (int i = 0; i < threads.length; ++i) { if (threads[i] != null && threads[i].isAlive()) { try { set.add(threads[i].getThreadGroup().getName() + ", " + threads[i].getName() + ", " + threads[i].getPriority() + ", " + threads[i].getState()); } catch (Throwable e) { e.printStackTrace(); } } } String[] result = (String[]) set.toArray(new String[0]); Arrays.sort(result); for (int i = 0; i < result.length; i++) { // logger.debug(result[i]); } return result; } }