Use the getThreadGroup()
method of Thread
class to get the thread group to which the thread belongs.
package org.kodejava.lang;
public class GetThreadGroup {
public static void main(String[] args) {
// Create thread groups
ThreadGroup group = new ThreadGroup("ThreadGroup");
ThreadGroup anotherGroup = new ThreadGroup(group, "AnotherGroup");
// Create threads and placed into thread group
Thread t1 = new Thread(group, new FirstThread(), "Thread1");
Thread t2 = new Thread(anotherGroup, new FirstThread(), "Thread2");
// Start the threads
t1.start();
t2.start();
// Use getThreadGroup() method of Thread class to get the object
// of ThreadGroup then use the getName() method to get the name
// of thread group.
System.out.format("%s is a member of %s%n", t1.getName(),
t1.getThreadGroup().getName());
System.out.format("%s is a member of %s%n", t2.getName(),
t2.getThreadGroup().getName());
}
}
class FirstThread implements Runnable {
public void run() {
System.out.println("Start..");
}
}
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