No Threads?
A Java application cannot create a new java.lang.ThreadGroup nor a
new java.lang.Thread. These restrictions also apply to JRE classes that make
use of threads. For example, an application cannot create a
new java.util.concurrent.ThreadPoolExecutor, or a java.util.Timer. An
Good news: http://code.google.com/appengine/docs/java/overview.html
http://code.google.com/appengine/docs/java/overview.html
...
The Google Plugin for
Eclipsehttp://code.google.com/appengine/docs/java/tools/eclipse.html
adds
new project wizards and debug configurations to your
Runnable is simply an interface. A class may implement Runnable but
that does not mean the class will start another thread or be used by
another thread, only that it can be.
Personally, for me, much of the code I would write, would benefit from
threads and I regularly use them or use classes