/**
* Creates a new thread group. The parent of this new group is the specified thread group.
*
* <p>The <code>checkAccess</code> method of the parent thread group is called with no arguments;
* this may result in a security exception.
*
* @param parent the parent thread group.
* @param name the name of the new thread group.
* @exception NullPointerException if the thread group argument is <code>null</code>.
* @exception SecurityException if the current thread cannot create a thread in the specified
* thread group.
* @see java.lang.SecurityException
* @see java.lang.ThreadGroup#checkAccess()
* @since JDK1.0
*/
public ThreadGroup(ThreadGroup parent, String name) {
if (parent == null) {
throw new NullPointerException();
}
parent.checkAccess();
this.name = name;
this.maxPriority = parent.maxPriority;
this.daemon = parent.daemon;
this.vmAllowSuspension = parent.vmAllowSuspension;
this.parent = parent;
parent.add(this);
saveThreadStarterClassFlag = parent.saveThreadStarterClassFlag;
}
