Java about Memory and CPU load

To day along day i coding project by java ide is netbean i coding about get value performance of each pc or router also hmm cpu load , free memory and i testing about interrupt thread by create parent thead and create child thread in parent thread and i type interrupt parent thread belive that when i interrupt parent thread and i think child thread will stop follow parent thread but that not to i think child thread not stop and use memory of my pc to 0 M until program exception is out of memory - -'

and i coding about loop but i forget code break that loop when i run program test it cpu preak 100 % - -'

result testing
- mush cpu load peak code loop infinity
- mush memory low code create serveral thread

Are u ok?