[JAVA100 cases] 063, thread group
/ **
* <p> Title: thread groups </ p>
* <p> Description: The thread management group following a number of threads. </ P>
* <p> Copyright: Copyright (c) 2003 </ p>
* <p> Filename: myThreadgroup.java </ p>
* @ Version 1.0
* /
Public class myThreadgroup extends Thread (
Public static int flag = 1;
ThreadGroup tgA;
ThreadGroup tgB;
/ **
* <br> Description: Lord method
* <br> Input parameters:
* <br> Return type:
* /
Public static void main (String [] args) (
MyThreadgroup dt = new myThreadgroup ();
/ / A group statement threads
Dt.tgA = new ThreadGroup ( "A");
/ / Statement Thread Group B
Dt.tgB = new ThreadGroup ( "B");
For (int i = 1; i <3; i + +)
New thread1 (dt.tgA, i * 1000, "one" + i);
For (int i = 1; i <3; i + +)
New thread1 (dt.tgB, 1000, "two" + i);
/ / Start this thread and all threads Group dt.start ();
)
/ **
* <br> Description: run coverage, thread control group
* <br> Input parameters:
* <br> Return type:
* /
Public void run () (
Try (
This.sleep (5000);
This.tgB.checkAccess ();
/ / Stop threads Group B,
This.tgB.stop ();
System.out.println ("************** tgB stop !***********************");
This.sleep (1000);
/ / A group checks whether the thread can change this.tgA.checkAccess ();
/ / Stop threads Group A
This.tgA.stop ();
System.out.println ("************** tgA stop !***********************");
) Catch (SecurityException es) (
System.out.println ("**"+ es);
) Catch (Exception e) (
System.out.println ("::"+ e);
)
)
)
/ **
* <p> Title: Thread of </ p>
* <p> Description: The constructor of the parameters for different threads </ p>
* <p> Copyright: Copyright (c) 2003 </ p>
* <p> Filename: thread1.java </ p>
* @ Author DU
* @ Version 1.0
* /
(Class thread1 extends Thread
Int pauseTime;
String name;
Public thread1 (ThreadGroup g, int x, String n) (
Super (g, n);
PauseTime = x;
Name = n;
Start ();
)
/ **
* <br> Methodology: to be covered by the method.
* <br> Input parameters:
* <br> Return type:
* /
Public void run ()
(
While (true) (
Try (
System.out.print (name +"::::");
This.getThreadGroup (). List ();// access thread group information Thread.sleep (pauseTime);
) Catch (Exception e) (
System.out.println (e);
)
)
)
)
Tags: Thread