Java Example - Get all threads

The following example demonstrates how to use the getName() method to obtain all running threads:

/*
 author by w3cschool.cc
 Main.java
 */public class Main extends Thread {
   public static void main(String[] args) {
      Main t1 = new Main();
      t1.setName("thread1");
      t1.start();
      ThreadGroup currentGroup = 
      Thread.currentThread().getThreadGroup();
      int noThreads = currentGroup.activeCount();
      Thread[] lstThreads = new Thread[noThreads];
      currentGroup.enumerate(lstThreads);
      for (int i = 0; i < noThreads; i++)
      System.out.println("线程号：" + i + " = " + lstThreads[i].getName());
   }}

The output of the above code is:

线程号：0 = main线程号：1 = thread1

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