Search results
Oct 30, 2009 · Even that's pretty borderline, as the default implementation always returns true for a Thread in any non-system thread group. And if you're implementing your own SecurityManager, you've got the possibility to have it make its decision on any other criteria (including the typical technique of storing Threads in collections as they get created).
Jul 16, 2010 · In an ironic twist, the ThreadGroup API is weak from a thread safety standpoint. To get a list of the active threads in a thread group, you must invoke the enumerate method, which takes as a parameter an array large enough to hold all the active threads. The activeCount method returns the number of active threads in a thread group, but there is ...
Mar 22, 2016 · Most developers should be using 1) parallelStream (), 2) ExecutorService, 3) possibly ForkJoinPool, 4) plain Threads, and highly unlikely, last) Thread Groups. – Peter Lawrey. Mar 22, 2016 at 15:47. 2. @FelixDombek The JVM is a process and on Linux each Thread works like a Process (and has it's own Process id) A Thread Group is a cross ...
Oct 26, 2017 · First of all, for the simplest solution to get a hierarchical output of all thread groups and threads, you only need your getThreadRoot() method: Functionality func = new Functionality(); func.getThreadRoot().list(); however, it will print even the groups hierarchical rather than a list of groups with only the threads as children.
Feb 13, 2016 · for (int i = 0; i < 10; i++) ThreadGroup tg = getThreadGroup(); System.out.println(getName() + "\t" + i + "\t" + getPriority() + "\t" + tg.getName()); A ThreadGroup is not going to be able to start all its threads for the simple reason that the threads are actually added to the group only when they are started.
May 30, 2023 · When passing a thread group object as a parameter in Java, you can pass it just like any other object. The thread group object will be passed by reference, allowing the receiving method to access ...
Here is the simple solution which I found for Running multiple Thread Groups in particular order: Check the option "Run Thread Groups consecutively" under "Test Plan". Order your "Thread Group/s" in the order you want to be executed using drag and drop approach. answered Aug 17, 2020 at 14:49. Tsvetoslav Tsvetkov.
Dec 18, 2009 · 1. Make it simple: Create your ThreadGroup class with a method wrapping the thread creation process. When this method is called, it adds the created thread to a Collection and there is your group. That's a good idea if you control all the code that's launching threads, but I don't.
Apr 29, 2019 · This will list all threads running for a particular Java process. You can start jconsole from the JDK bin folder. You can also get a full stack trace for all threads by hitting Ctrl+Break in Windows or by sending kill pid --QUIT in Linux. In which case look at cletus' answer.
May 24, 2017 · 0. The difference lies in the returned values: activeCount. public int activeCount () Returns an estimate of the number of active threads in this thread group and its subgroups. Recursively iterates over all subgroups in this thread group. The value returned is only an estimate because the number of threads may change dynamically while this ...
