File APIs for Java Developers
Manipulate DOC, XLS, PPT, PDF and many others from your application.
The moose likes Programmer Certification (SCJP/OCPJP) and the fly likes doubt regarding Threads? Big Moose Saloon
  Search | Java FAQ | Recent Topics | Flagged Topics | Hot Topics | Zero Replies
Register / Login
JavaRanch » Java Forums » Certification » Programmer Certification (SCJP/OCPJP)
Bookmark "doubt regarding Threads?" Watch "doubt regarding Threads?" New topic

doubt regarding Threads?

gurpeet singh
Ranch Hand

Joined: Apr 04, 2012
Posts: 924

When we create threads by implementing Runnable, You can pass a single Runnable instance to multiple Thread objects, so that the
same Runnable becomes the target of multiple threads, as follows :

i would like to know how to do the same thing by instantiating java.lang.Thread class. put in other words, how to start more than two threads that locks on the same object , when we extend Thread class to implement Thread behaviour. i hope you got my question ?
Matthew Brown

Joined: Apr 06, 2010
Posts: 4541

Well, you can always pass any object you want into your extended Thread classes if you give them an appropriate constructor.

But to be honest, implementing Runnable is almost always better than extending Thread anyway.
I agree. Here's the link:
subject: doubt regarding Threads?
It's not a secret anymore!