Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static String dumpThreads() {
        StringBuilder sb = new StringBuilder("\n");
        ThreadGroup tg, parent = Thread.currentThread().getThreadGroup();
        while ((tg = parent.getParent()) != null) {
            parent = tg;
        }
        int size = 2 * parent.activeGroupCount();
        ThreadGroup[] list = new ThreadGroup[size];
        int actual = parent.enumerate(list, true);
        //System.out.print("found " + list);
        sb.append("tgs: " + actual + "\n");
        if (list != null && list.length > 0) {
            for (ThreadGroup g : list) {
                if (g == null) {
                    continue;
                }
                sb.append("   " + g.getName() + ": " + g.activeCount() + "\n");
                Thread[] threads = new Thread[g.activeCount()];
                g.enumerate(threads, false);
                for (Thread t : threads) {
                    if (t != null) {
                        sb.append("     " + t.getName() + "\n");
                    }
                }
            }
        } else {
            System.out.println("empty thread group list");
        }
        return sb.toString() + "\n";
    }
}