Java — Constructors of ThreadGroup Class | Code Factory

Code Factory
1 min readJun 3, 2020

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1. ThreadGroup tg = new ThreadGroup(String name)

  • Create a new Thread Group with specified group name.
  • The parent of this new group is the thread group of currently executing thread.
package com.example.thread;public class Test {
public static void main(String... args) {
ThreadGroup tg1 = new ThreadGroup("Group1");
System.out.println(tg1.getName()); // Group1
System.out.println(tg1.getParent().getName()); // main
}
}

2. ThreadGroup tg1 = new ThreadGroup(ThreadGroup tg, String name)

  • Creates a new Thread Group with the specified group name.
  • The parent of this new thread group specified parent group.
package com.example.thread;public class Test {
public static void main(String... args) {
ThreadGroup tg1 = new ThreadGroup("Group1");
System.out.println(tg1.getName()); // Group1
System.out.println(tg1.getParent().getName()); // main

ThreadGroup tg2 = new ThreadGroup(tg1, "Group2");
System.out.println(tg2.getName()); // Group2
System.out.println(tg2.getParent().getName()); // Group1
}
}

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