rspec/rules/S2122/java/rule.adoc

``++java.util.concurrent.ScheduledThreadPoolExecutor++``'s pool is sized with ``++corePoolSize++``, so setting ``++corePoolSize++`` to zero means the executor will have no threads and run nothing.


This rule detects instances where ``++corePoolSize++`` is set to zero, via either its setter or the object constructor.


== Noncompliant Code Example

----
public void do(){

  ScheduledThreadPoolExecutor stpe1 = new ScheduledThreadPoolExecutor(0); // Noncompliant

  ScheduledThreadPoolExecutor stpe2 = new ScheduledThreadPoolExecutor(POOL_SIZE);
  stpe2.setCorePoolSize(0);  // Noncompliant
----



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